共 9 条
[3]
GRINDLEY HS, 1915, P AM SOC ANIM PROD, P101
[4]
HAMILTON TS, 1928, I AESB 303
[6]
Mitchell HH, 1932, J AGRIC RES, V45, P0163
[7]
SCHNEIDER BH, 1927, 270 VT AGR EXP STA B
[9]
SWIFT RW, 1954, ENERGY METABOLISM NU