The Biology of the Porifera : the proceedings of a symposium held at the Zoological Society of London on 10 and 11 September, 1968, with additional articles presented during colloquia held at the British Museum (Natural History) on 12 and 13 September, 1968.
Fry, W. G.(William Gronow)
Zoological Society of London.
London : Published for The Zoological Society of London by Academic Press,
1970.
Contributions in English, French and German.
Includes bibliographical references.
Sponges