共 30 条
[1]
ARMSBY HP, 1916, PENNA ST AGR EXP STA, V142
[2]
ARMSBY HP, 1922, NUTRITION FARM ANIMA
[3]
DAVIS RN, 1948, J DAIRY SCI, V31, P691, DOI 10.3168/jds.S0022-0302(48)92284-X
[4]
Forbes EB, 1931, J AGRIC RES, V43, P1015
[5]
FRAPS GS, 1925, TEXAS AGR EXP STA B, V329
[6]
GRAVES RR, 1938, USDA TECH B, V610
[7]
HUFFMAN C. F., 1938, Journal of Dairy Science, V21, P101, DOI 10.3168/jds.S0022-0302(38)95623-1
[8]
Huffman C. F., 1944, JOUR DAIRY SCI, V27, P821, DOI 10.3168/jds.S0022-0302(44)92653-6