共 8 条
[1]
CAMBURN OM, 1942, 494 VT AGR EXP STA B
[2]
GROSS JR, 1964, AMER SOC AGR ENG T, V7, P357
[3]
HUNDTOFT EB, 1965, SIN M AM SOC AGR ENG
[4]
SHEPHERD JB, 1954, 1079 USDA TECH B
[5]
STODDARD GE, 1960, FARM HOME SCI, V21, P1
[6]
TURK KL, 1951, 874 NY AGR EXP STA B
[7]
VANSOEST PJ, 1963, J AOAC, V46, P824
[8]
WHITNEY LF, 1961, 61101 AM SOC AGR ENG