A Manual on methods for the assessment of secondary productivity in fresh waters /
Downing, J. A.(ed.)
A Manual on methods for the assessment of secondary productivity in fresh waters / Edited by John A Downing & Frank H Rigler. - Boston : Blackwell Scientific Publications ; 1971. - xxiv ; 501 p., 24 cm.
0632006161
574.52632 / DOW
A Manual on methods for the assessment of secondary productivity in fresh waters / Edited by John A Downing & Frank H Rigler. - Boston : Blackwell Scientific Publications ; 1971. - xxiv ; 501 p., 24 cm.
0632006161
574.52632 / DOW