A guide to the study of fresh-water biology /
Needham, James G.
A guide to the study of fresh-water biology / James G. Needham, Paul R. Needham. - 5 Ed.rev. and enl. - San Francisco : Holden-Day, 1962. - X, 108 s. : tab. , rys. ; 23 cm.
0816263108
A guide to the study of fresh-water biology / James G. Needham, Paul R. Needham. - 5 Ed.rev. and enl. - San Francisco : Holden-Day, 1962. - X, 108 s. : tab. , rys. ; 23 cm.
0816263108