共 23 条
[2]
CIORDIA H, 1971, AM J VET RES, V32, P1353
[4]
DOWNEY NE, 1969, IRISH J AGR RES, V8, P375
[5]
DOWNEY NE, 1968, IRISH J AGR RES, V7, P343
[6]
Gill J. L., 1978, Design and Analysis of Experiments in the Animal and Medical Sciences, V1
[9]
Hansen J. W., 1981, Epidemiology and control of nematodiasis in cattle. An animal pathology Workshop in the CEC Programme of Coordination of Agricultural Research, Royal Veterinary and Agricultural University, Copenhagen, Denmark, 4-6 February 1980. (Current Topics in Veterinary Medicine and Animal Science Vol.9.), P471
[10]
HANSEN JW, 1982, THESIS ROYAL VET AGR, P1