共 14 条
[1]
[Anonymous], 1955, OFFICIAL METHODS ANA
[3]
CHRISTIAN K. R., 1954, NEW ZEALAND JOUR SCI AND TECHNOL SER A, V36, P328
[7]
LAMBOURNE L. J., 1957, Journal of Agricultural Science, V48, P273, DOI 10.1017/S0021859600031634
[8]
MILLER WJ, 1957, 14 GA AGR EXP STA TE
[9]
OLSSON N, 1949, 36 LANTBR HUSDJ MEDD
[10]
PUTNAM PA, 1957, J DAIRY SCI, V40, P618