Bibliographic Detail
Nygaard, G., 1950 '1949'
Reference:
Nygaard, G. (1950 '1949'). Hydrobiological studies on some Danish ponds and lakes. Part II: The quotient hypothesis and some new or little known phytoplankton organisms. Det Kongelige Norske Videnskabers Selskabs Skrifter 7(1): 1-294, 126 figs, 2 tables.