TY  - BOOK
AU  - Edmondson, Walles Thomas.
TI  - A Manual on methods for the assessment of secondary productivity in fresh waters / 
SN  - 0632006161
U1  - 579 EDM 
PY  - 1971///
CY  - Oxford  : 
PB  - Blackwell Scientific Publications, 
KW  - Zooplankton
N1  -  Includes bibliographies : p. 320-354 and index
ER  -