共 4 条
[1]
BUXTON A, 1977, ANIMAL MICROBIOLOGY, P522
[2]
HILL D. H., 1953, BRIT VET JOUR, V109, P381
[3]
Nawathe D. R., 1975, Bulletin de l'Office International des Epizooties, V83, P1097
[4]
1971, METHODS EXAMINING PO, P70