共 31 条
[3]
BRISTOW JM, 1977, NAT CAN, V104, P465
[4]
CROWDER AA, 1977, NAT CAN, V104, P441
[5]
DENNIS MW, 1984, ECOLOGICAL ASSESSMEN
[6]
DOBSON HFH, 1984, SCI SERIES NUMBER, V1139
[8]
FASSETT NC, 1980, MANUAL AQUATIC PLANT
[10]
FOREST H, 1987, B ROCHESTER COMITTEE, V296, P1