共 5 条
[1]
[Anonymous], 1969, EUTROPHICATION CAU S
[2]
BUELTMAN CG, 1969, PROVISIONAL ALGAL AS
[4]
HAMMER UT, 1969, VERH INT VEREIN LIMN, V17, P116
[5]
CHEMICAL FACTORS INVOLVED IN CONTROL OF PHYTOPLANKTON PRODUCTION IN EXPERIMENTAL LAKES AREA, NORTHWESTERN ONTARIO
[J].
JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA,
1971, 28 (02)
:203-&