共 16 条
[12]
SNEDECOR GW, 1957, STATISTICAL METHODS
[13]
STEEL R. G. D., 1960, PRINCIPLES PROCEDURE
[14]
STROHECKER R, 1965, VITAMIN ASSAY
[15]
ULYATT JJ, 1964, J AGR RES, V7, P713
[16]
1959, ANALYST, V84, P356