共 9 条
[1]
BEARD FJ, 1924, THESIS IOW STAT U
[2]
BRADY D. E., 1937, PROC AMER SOC ANIMAL PRODUCT, V30, P246
[3]
HAMMOND J, 1932, GROWTH DEVELOPMENT M
[4]
HINER RL, 1953, FOOD RES, V18, P364
[5]
LOWE B, 1954, 934 IOW AGR EXP STA
[6]
RAMSBOTTOM JM, 1945, FOOD RES, V10, P497
[7]
SNEDECOR GW, 1956, STATISTICAL METHODS