PENNAK, ROBERT W. 



1944. Diurnal movement of zooplankton 

 organisms in some Colorado mountain 

 lakes. Ecology, vol. 25, no. 4, p. 387- 

 403. 



1938b. Seasonal and annual variations in 

 the quantity of pelagic net plankton, 

 CultusLake, British Columbia. Journal 

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 vol. 4, no. 1, p. 33-47. 



RAWSON, D. S. 



1953. The standing crop of net zooplankton 

 in lakes. Journal Fisheries Research 

 Board of Canada, vol. 10, no. 5, p. 224- 

 237. 



SOUTHERN, R., and A. C. GARDINER. 



1926. The seasonal distribution of Crustacea 

 of the plankton of Lough Derg and River 

 Shannon. Fisheries Board of Ireland, 

 Scientific Investigations, no. 1, 170 p. 



RICKER, W. E. 



1938a. On adequate quantitative sampling 

 of pelagic net plankton of a lake. Jour- 

 nal Fisheries Research Board of Canada, 

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WATERS, THOMAS F. 



1956. The effects of lime application to 

 acid bog lakes in northern Michigan. 

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MS #1185 



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GPO 929283 



