共 15 条
[11]
PYNE G. T., 1940, JOUR DAIRY RES, V11, P292, DOI 10.1017/S0022029900003307
[12]
SEEKLES L, 1952, COMMUNICATION
[14]
STORRS A. B., 1942, JOUR DAIRY SCI, V25, P19, DOI 10.3168/jds.S0022-0302(42)95262-7
[15]
VERMA IS, 1950, THESIS U WISCONSIN