Animals the first many-celled animals : sponges

Detalles Bibliográficos
Autor Corporativo:	Department of Science and Technology(DOST)
Otros Autores:	Lopez, Gary (Productor), Holland, Nicholas (Colaborador), Deem, Robert (Colaborador)
Formato:	Visual Material
Lenguaje:	English
Publicado:	Chicago, Ill. Encyclopedia Britannica Educational Corporation [1992]
Colección:	Britannica's science and technology video library
Materias:	Sponges > Ecology > United States. Video recording > Production and direction.