共 19 条
[1]
BRIAN MV, 1971, IPB18 HDB
[2]
BRIAN MV, 1961, METHODS STUDY QUANTI, P247
[3]
Cole A.C., 1968, POGONOMYRMEX HARVEST
[4]
Grieg-Smith P., 1964, QUANTITATIVE PLANT E
[8]
LAVIGNE RJ, 1974, 26 U WYOM AGR EXPT S
[9]
MAKER MJ, 1974, 285 NEW MEX STAT U A
[10]
Phillips EA, 1959, METHODS VEGETATION S