INTERNATIONAL 730,035 Fourth International Congress of Parasitology a Conference of the World Federation of Parasitologists 19-26 August 1978, Warszawa, Poland : short communications submitted to sections C I and C II / org. and sponsored by the Committee for Parasitology of the Polish Academy of Sciences and the Polish Parasitological Society. - Warszawa : [Org, Comm, of the Fourth International Congress of Parasitology], 1978. - 226, [2] s. ; 24 cm