共 4 条
[1]
DEMETER KJ, 1939, DTSCH MOLKEREI Z AUG
[2]
HAMMER BW, 1931, IA COLL AGR MECH ART, V141
[3]
OLSON HC, 1933, I AGR EXP STA B, V300
[4]
WILDMAN J. D., 1940, Journal of Milk Technology, V3, P162