TY  - BOOK
AU  - Engemann, Joseph G.
AU  - Hegner, Robert William,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 002333780X
SN  - 2
PY  - 1981///];copyright 198146
CY  - New York
PB  - Macmillan
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Invertebrates
N1  - In the 2d ed. Hegner's name appeared first on t.p; Includes bibliographies and index; 5
ER  -