Found it in an interesting paper (PDF LINK):
PHYTOPLANKTON POPULATION DYNAMICS AND
DISTRIBUTION IN TWO ADJOINING LAKES
IN SRINAGAR
MACROFLORA IN RELATION TO Phytoplankton
by SHASHI KANT* and P. KAOHROO, Department of Botany,
University of Kashmir, Srinagar 6
(Communicated by M. S. Randhawa, F.N.A.)
(Received 20 July, 1970; after revision 3 September 1970
