TY  - GEN
AU  - Magnuson, John J.
AU  - Heitz, Jean G.
TI  - Gill raker apparatus and food selectivity among mackerels, tunas, and dolphins
U1  - D. 597 MAG 1971 
PY  - 1971///
CY  - [S.l.]
PB  - [s.n.]
KW  - Tuna
N1  - Includes bibliographical references
ER  -