KOVÁCIK, Lubomír 1988 (March) Cell division in simple coccal cyanophytes Arch. Hydrobiol. Suppl. 80(1-4) (Algol. Stud. 50-53): 149-190, 28 figs., 1 table [incl. Cyanosarcina n.g., n.spp. in Aphanothece, Synechocystis, Pseudocapsa]