共 27 条
[11]
NITROGEN FIXATION IN SOME ENGLISH LAKES
[J].
PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES,
1970, 175 (1041)
:351-+
[12]
Hutchinson G.E., 1957, TREATISE LIMNOLOGY
[15]
ECOLOGY OF FRESHWATER PHYTOPLANKTON
[J].
BIOLOGICAL REVIEWS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY,
1965, 40 (02)
:231-&
[16]
NITROGEN FIXATION BY UNICELLULAR BLUE-GREEN ALGAE
[J].
ARCHIV FUR MIKROBIOLOGIE,
1971, 76 (04)
:341-&
[18]
SAETHER OA, 1970, 196 FISH RES BOARD C, P17
[19]
SCHOLLHO.R, 1966, FED PROC, V25, P710