共 9 条
[1]
[Anonymous], 1955, OFFICIAL METHODS ANA
[4]
MARSHALL SP, 1955, FLORIDA AGR EXPT STA, V73
[6]
RAGSDALE AC, 1934, MISSOURI AGR EXPT ST, V336
[7]
SNEDECOR GW, 1946, STATISTICAL METHODS
[8]
DEVELOPMENT OF RUMINATION IN THE YOUNG CALF
[J].
JOURNAL OF DAIRY SCIENCE,
1958, 41 (12)
:1768-1776