共 32 条
[11]
LANGDALE GW, 1983, WORKSHOP PLANNING C
[12]
LANGDALE GW, 1983, U GEORGIA COLLEGE AG, V23
[16]
MANNERING J. V., 1963, SOIL SCI SOC AMER PROC, V27, P84
[18]
MEYER L D, 1970, Soil Science Society of America Proceedings, V34, P928