TY  - BOOK
AU  - edited by Collias, Nicholas E and Collias, Elsie C.
AU  - Collias,Nicholas E.
AU  - Collias,Elsie C.
TI  - External construction by animals
T2  - Benchmark papers in animal behavior ; v. 4
SN  - 047016543X
AV  - QL756 .E9 1976
PY  - 1976///
CY  - Stroudsburg, Pa., New York
PB  - Dowden, Hutchinson & Ross, distributed by Halsted Press
KW  - Animals
KW  - Habitations
N1  - Includes bibliographies and indexes
ER  -