TY  - SER
AU  - Babaluk,John a.
AU  - Scott Campbell,J.
TI  - Preliminary results of tetracycline labelling for validating annual growth increments in opercula of Walleyes
KW  - Growth
KW  - Tetracycline
KW  - Operculos
N1  - Scott Campbell, J.-Department of Fisheries ans Oceans, Post Office Box 5030, Moncton, New Brunswick E1C 9B6, Canada
ER  -