TY  - BOOK
AU  - Kerekes, Joseph J.
TI  - Aquatic birds in the trophic web of lakes 
SN  - 0792327519
U1  - 598.2526322 
PY  - 1994///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
N1  - Proceedings of a symposium held in Sackville, New Brunswick, Canada, in August 1991
ER  -