共 51 条
[1]
AHLGREN G, 1977, 20 INT SOC LIMN C CO, P5
[2]
AHLGREN I, 1977, 20 INT SOC LIMN C CO, P5
[3]
AHLGREN I, 1972, VERH INT VER LIMNOL, V18, P355
[4]
ANDERSSON G, 1977, 20 INT SOC LIMN C CO, P10
[5]
[Anonymous], 1969, EUTROPHICATION CAUSE
[6]
BJORK S, 1972, TEKNISK TIDSKRIFT, V11, P2
[7]
BJORK S, 1974, 1974 C LAK PROT MAN
[8]
Bjork S, 1978, RESTORATION DEGRADED
[9]
BJORK S, 1972, AMBIO, V1, P154
[10]
BJORK S, 1972, VERH INT VEREIN LIMN, V18, P379