TY  - BOOK
AU  - Andrews,William A.
AU  - Stoker,Daniel G.
TI  - A guide to the study of freshwater ecology
T2  - Contours: Studies of the environment
SN  - 0133708667
AV  - QH541.5.F7 A48
U1  - 574.5/2632 
PY  - 1972///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Freshwater ecology
KW  - Local
N1  - Cover title: Freshwater ecology; Includes bibliographical references
ER  -