共 66 条
[1]
Allen S.E., 1974, CHEM ANAL ECOLOGICAL
[3]
BIRD E. C. F., 1961, VICTORIAN NAT, V77, P262
[4]
BOORMAN LA, 1979, RECENT CHANGES DISTR
[5]
BOORMAN LA, 1977, PHRAGMITES DIE BACK
[8]
Buxton A., 1940, Transactions of the Norfolk and Norwich Naturalists' Society, V15, P22
[9]
CRAFTS AS, 1949, WATER PHYSL PLANTS
[10]
Cramp S, 1978, HDB BIRDS EUROPE MID, V1