TY  - BOOK
AU  - Edmondson,W.T.(Walles Thomas),1916-
TI  - A manual on methods for the assessment of secondary productivity in fresh waters
SN  - 0632064307
PY  - 1971///
CY  - London
PB  - International Biological Programme
KW  - Freshwater productivity
KW  - Freshwater ecology
N1  - Includes index; Bibliography: p. 320-354
ER  -