TY  - BOOK
AU  - Ley,Willy
TI  - Dawn of zoology
PY  - 1968///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Zoology
KW  - History
N1  - Bibliographical references included in'Notes' (p. 255-276)
ER  -