13.001  Boitani, L.  1976.  Operation lobos.  Wildlife, 18(2):85.  [in Italian]
               ZR 113(19):19

13.002  Ballard, W. B., A. W. Franzmann, and C. L. Gardner.  1982.  Comparison and
        assessment of drugs used to immobilize Alaskan gray wolves (Canis lupus) and
        wolverines (Gulo gulo) from a helicopter.  Journal of Wildlife Diseases, 18:
               BA 75:32907    WR 187:35       ZR 119(19):510

13.003  Carbyn, L. N.  1975.  A review of methodology and relative merits of techniques
        used in field studies of wolves.  Pages 134-142 in Wolves; IUCN Publications,
        suppl. no. 43 (D. H Pimlott, ed.).  International Union for Conservation of
        Nature and Natural Resources, Morges, Switzerland.
               ZR 116(19):1224

13.004  Field, R.  1976.  Application of a digitizer for measuring sound spectrograms.
        Behavioral Biology, 17:579-583.
               BA 63:6326     PA 57:1203      ZR 113(19):53

13.005  Filibeck, U., M. Nicoli, P. Rossi, and G. Boscagli.  1982.  Detection by
        frequency analyzer of individual wolves howling in a chorus:  A preliminary
        report.  Bollettino di Zoologia, 49:151-154.
               BA 77:238      ZR 119(19):2325
13.006  Foster, J. W. and W. B. Ballard.  1985.  Radio telemetry as an aid in the study
        of wolf den site behavior.  Pages 113-114 in Annual Proceedings of the American
        Association of Zoo Veterinarians.  American Association of Zoo Veterinarians,
               WR 201:91

13.007  Fuller, T. K.  1982.  Wolves.  Pages 225-226 in CRC Handbook of Census Methods
        for Terrestrial Vertebrates (D. E. Davis, ed.).  CRC Press, Boca Raton, FL.
               WR 199:180

13.008  Fuller, T. K and L. B. Keith.  1981.  Immobilization of wolves in winter with
        etorphine.  Journal of Wildlife Management, 45:271-273.
               BI 20:57230    WR 181:63      ZR 118(19):2131

13.009  Fuller, T. K. and D. W. Kuehn.  1983.  Immobilization of wolves using ketamine
        in combination with xylazine or promazine.  Journal of Wildlife Diseases, 19:
               BI 25:57490    WR 189:75       ZR 120(19):2702

13.010  Harrington, F. H. and L. D. Mech.  1982.  An analysis of howling response
        parameters useful for wolf pack censusing.  Journal of Wildlife Management, 46:
               BA 75:24959   WR 187:84       ZR 119(19):3129

13.011  Harris, R. B. and R. R. Ream.  1983.  A method to aid in discrimination of
        tracks from wolves and dogs.  Pages 120-124 in Wolves in Canada and Alaska;
        Canadian Wildlife Service Report Series, no. 45 (L. N. Carbyn, ed.).  Canadian
        Wildlife Service, Ottawa, Ontario, Canada.
               CA 83:225      WR 201:93       ZR 120(19):3348
13.012  Kreeger, T. J, A. M. Faggella, U. S. Seal, L. D. Mech, M. Callahan, and B.
        Hall.  1987.  Cardiovascular and behavioral responses of gray wolves to
        ketamine-xylazine immobilization and antagonism by yohimbine.  Journal of
        Wildlife Diseases, 23:463-470.
               BA 84:91128    WR 207:106      ZR 124(19):5030

13.013  Kreeger, T. J. and U. S. Seal.  1986.  Failure of yohimbine hydrochloride to
        antogonize ketamine hydrochloride immobilization of gray wolves.  Journal of
        Wildlife Diseases, 22:600-603.
               BI 32:32600    WR 204:74       ZR 123(19):4798

13.014  Kreeger, T. J., U. S. Seal, and A. M. Faggella.  1986.  Xylazine hydrochloride-
        ketamine hydrochloride immobilzation of wolves and its antgonism by tolazoline
        hydrochloride.  Journal of Wildlife Diseases, 22:397-402.
               BA 82:62053    WR 204:75       ZR 123(19):4802

13.015  Kuehn, D. W., T. K. Fuller, L. D. Mech, W. J. Paul, S. H. Fritts, and W. E.
        Berg.  1986.  Trap-related injuries to gray wolves in Minnesota.  Journal of
        Wildlife Management, 50:90-91.
               BA 81:100603   WR 201:94       ZR 123(19):4863

13.016  Mech, L. D.  1975.  Current techniques in the study of elusive wilderness
        carnivores.  Pages 123-133 in Wolves; IUCN Publications, suppl. no. 43 (D. H.
        Pimlott, ed.).  International Union for Conservation of Nature and Natural
        Resources, Morges, Switzerland.
               ZR 116(19):4392
13.017  Mech, L. D.  1982.  Wolves (radio-tracking).  Pages 227-228 in CRC Handbook of
        Census Methods for Terrestrial Vertebrates (D. E. Davis, ed.).  CRC Press, Boca
        Raton, FL.
               WR 199:181

13.018  Mech, L. D.  1983.  1983.  Handbook of animal radio-tracking.  University of
        Minnesota Press, Minneapolis.

13.019  Philo, L. M.  1978.  Clinical evaluation of xylazine for chemical restaint of
        captive arctic wolves (Canis lupus).  U.S. Army Research Institute of
        Environmental Medicine, Natick, MA.
               NT 79:02-60

13.020  Philo, L. M.  1978.  Evaluation of xylazine for chemical restraint of captive
        artic wolves.  Journal of the American Veterinary Medical Association, 173:
               ZR 115(19):4668

13.021  Nikol'skii, A. A. and K. Kh. Frommolt.  1905.  Automatic recording of the group
        howling of wolves (Canis lupus) under experimental conditions.  Zoologicheskii
        Zhurnal, 64:1084-1089.  [in Russian; English summary]
               BA 81:39522    WR 200:132      ZR 122(19):5470

13.021a Seal, U. S. and A. W. Erickson.  1969.  Phencyclidine immobilization of the
        Carnivora and other mammals.  Federation Proceedings, 28:1410-1419.
13.022  Strauss, G.  1987.  Use of tolazoline as an antidote for xylazine-ketamine
        immobilzation.  Pages 151-155 in Erkrankunge der Zootiere, 29.  Akademie-Verlag,
               ZR 124(19):8917

13.023  Thiel, R. P. and S. H. Fritts.  1983.  Chewing-removal of radio collars by gray
        wolves in Wisconsin.  Journal of Wildlife Management, 47:851-852.
               BI 25:70232    WR 191:72       ZR 120(19):8158

13.024  Tobey, R. W. and W. B. Ballard.  1985.  Increased mortality in gray wolves
        captured with acepromazine and etorphine hydrochoride in combination.  Journal
        of Wildlife Management, 21:188-190.
               BI 9:37587     WR 198:89       ZR 122(19):7577

13.025  Van Ballenberghe, V.  1984.  Injuries to wolves sustained during live-capture.
        Journal of Wildlife Management, 48:1425-1429
               BI 28:64943    WR 196:82       ZR 121(19):7732

13.026  Wade, D. A.  1976.  The use of aircraft in predator control.  Pages 154-160 in
        Proceedings of the Vertebrate Pest Conference, no. 7.  California Vertebrate
        Pest Committee, Davis, CA.
               BA 77:69838

see also the following entries: 4.051, 7.056, 7.092, 15.051, 17.014, 17.027, 17.038, 18.151