共 5 条
[1]
GRONSTOL H, 1980, THESIS NORWEGIAN COL
[2]
IVANOV I, 1977, 7TH P INT S LST VARN, P324
[3]
LARSEN HJ, 1982, AM J VET RES, V43, P384
[4]
MARA M, 1974, J HYG EPID MICROB IM, V18, P29
[5]
Popoviciu A., 1982, Lucrarile Institutului de Cercetari Veterinare si Biopreparate "Pasteur", V16, P121