共 20 条
[1]
BOUMA J., 1968, NETH J AGR SCI, V16, P58
[2]
CARLISLE F. J., 1957, Soil Science Society of America. Proceedings, V21, P320
[3]
CROMMELIN RD, 1965, BOOR SPADE, V14, P138
[4]
De Bakker H., 1966, SYSTEEM BODEMCLASSIF
[5]
DUDAL R, 1968, DEFINITIONS SOIL UNI
[6]
GROSSMAN R. B., 1957, Soil Science Society of America. Proceedings, V21, P322
[7]
HEBERT J, 1964, 8 T INT C SOIL SCI, V5, P359
[8]
JHA P. P., 1963, SOIL SCI SOC AMER PROC, V27, P339
[9]
KARAVAEVA NA, 1964, 8 T INT C SOIL SCI, V5, P501
[10]
KNOX ELLIS G., 1957, SOIL SCI SOC AMER PROC, V21, P326