Guide to invertebrate animals/
Webb, J. E.
Guide to invertebrate animals/ J. E. Webb, J. A. Wallwork and J. H. Elgood. - 2nd. ed. - London : Macmillan Education, 1978. - 305 p. : ill. ; 22 cm.
0333247450
Invertebrates--Classification.
Guide to invertebrate animals/ J. E. Webb, J. A. Wallwork and J. H. Elgood. - 2nd. ed. - London : Macmillan Education, 1978. - 305 p. : ill. ; 22 cm.
0333247450
Invertebrates--Classification.