TY  - BOOK
AU  - Schwoerbel,Jurgenu
TI  - Methods of hydrobiology (freshwater biology)
SN  - 0080066046
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press
KW  - Freshwater biology
KW  - Research
KW  - Biological apparatus and supplies
N1  - Includes bibliographical references
ER  -