共 14 条
[1]
AGNEW ADQ, 1960, B COLL SCI U BAGHDAD, V5, P41
[2]
BENSON L, 1982, CACTI US CANADA
[6]
Harper JL, 1977, POPULATION BIOL PLAN
[7]
Kershaw KA., 1973, QUANTITATIVE DYNAMIC
[8]
MORPHOLOGY, NURSE PLANTS, AND MINIMUM APICAL TEMPERATURES FOR YOUNG CARNEGIEA-GIGANTEA
[J].
BOTANICAL GAZETTE,
1980, 141 (02)
:188-191
[9]
STEENBERG MV, 1983, NATIONAL PARKS SERVI, V17
[10]
STEENBERG MV, 1977, NATIONAL PARKS SERVI, V8