%0 Journal Article %T An electron microscope study of the dimorphic spermatozoa of Asplanchna (Rotifera) %A Koehler, James %J Cell and Tissue Research %V 67 %N 1 %P 57-76 %@ 0302-766X %D 1965-01-01 %I Springer-Verlag %~ DeepDyve