共 10 条
[2]
JACKSON CT, 1958, REPORT COMMISS PATEN, P296
[3]
McHARGUE J. S., 1926, JOUR AMER SOC AGRON, V18, P1076
[4]
SNELL, 1967, COLORIMETRIC METHODS, V2, P698
[5]
VOGEL AI, 1962, TXB QUANTITATIVE INO, P439
[6]
1957, TECHNICAL COMM CCA29
[7]
1957, TECHNICAL COMM CCA30
[8]
1962, TECHNICAL COMMU CCA9
[9]
1959, TECHNICAL COMM CCA32
[10]
1956, TECHNICAL COMM CCA19