共 8 条
[1]
ANONYMOUS, 1959, USDAAMS AMS 347
[2]
ANONYMOUS, 1960, CDAS 3266 A
[3]
CHAPMAN PJ, 1933, NYAESTB 206
[4]
CHAPMAN PJ, 1938, NYAESB 684
[5]
CHAPMAN PJ, 1941, USDAC 600
[6]
GLASS EH, 1960, NYAESB 789
[8]
SMOCK RM, 1958, 759 CORN AGR EXPT ST