TY - GEN AU - Sears, Paul B. TI - Symposium on hydrobiology U1 - 591.92 PY - 1941/// CY - Madison PB - University Of Wisconsin Press KW - Marine biology N1 - References at end of most of the papers; Held under the auspices of the university of Wisconsin and of the Wisconsin alumni research foundation at the University on September 4 to 6, 1940. cf. foreword ER -