The Oxford book of invertebrates :
Whiteley, Derek, 1930-
The Oxford book of invertebrates : Protozoa, sponges, coelenterates, worms, molluscs, echinoderms, and arthropods (other than insects) / Ill. by Derek Whiteley; Text by David Nichols, John A. L. Cooke. - London : Oxford University Press, 1971. - viii, 218 p.; : col. ill. ; 25 cm.
Bibliogr.: p. 210.
019910008X
Invertebrates
The Oxford book of invertebrates : Protozoa, sponges, coelenterates, worms, molluscs, echinoderms, and arthropods (other than insects) / Ill. by Derek Whiteley; Text by David Nichols, John A. L. Cooke. - London : Oxford University Press, 1971. - viii, 218 p.; : col. ill. ; 25 cm.
Bibliogr.: p. 210.
019910008X
Invertebrates