"Protozoaires." . . "Protozoa." . . "Summers, F.M." . . "Eukaryota." . . "Biologie Méthodologie." . . . . . . "Protozoa in biological research" . "Protozoa in biological research"@en . "Protozoa in Biological Research. Edited by G.N. Calkins and F.M. Summers. [With illustrations.]"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Protozoos." . .