共 20 条
[1]
NITROGEN FIXATION AND UTILIZATION OF OTHER INORGANIC NITROGEN SOURCES IN A SUBARCTIC LAKE
[J].
JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA,
1968, 25 (10)
:2101-&
[2]
BREZONIK PL, 1970, 33 ANN M LIMN OC
[3]
DUGDALE RC, 1962, LIMNOL OCEANOG, V7, P170
[4]
FIELD CR, 1968, THESIS U CAMBRIDGE
[5]
FOGG G. E., 1967, P115
[6]
GANF GG, 1969, THESIS U LANCASTER
[7]
GOERING JJ, 1964, LIMNOL OCEANOGR, V9, P530
[9]
NITROGEN FIXATION IN SOME ENGLISH LAKES
[J].
PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES,
1970, 175 (1041)
:351-+
[10]
HORNE AJ, 1969, THESIS U DUNDEE