TY  - BOOK
AU  - Johnsgard,Paul A.
TI  - Handbook of waterfowl behavior
U1  - 598.4 
PY  - 1965///
CY  - Ithaca, N.Y.
PB  - Comstock Pub. Associates
KW  - Waterfowl
KW  - Breeding
N1  - Includes index; Includes bibliographical references and index
ER  -