TY  - BOOK
AU  - Engemann,Joseph G
AU  - Hegner,Robert William
TI  - Invertebrate zoology
SN  - 002333780X
AV  - QL362 ..E53 1981
U1  - 592 
PY  - 1981///
CY  - New York
PB  - Collier Macmillan Publishers
KW  - Invertebrates
N1  - In the 2d ed. Hegner's name appeared first on t.p; Includes bibliographical references and index
ER  -