TY  - BOOK
AU  - WETZEL, R.G
TI  - International Association of Theoritical and Applied Limnology - Vol. 28, Part -
SN  - 3-510-54062-x
U1  - 577.6072 
PY  - 2003///
CY  - Stuttgart.
PB  - E. Schweizerbart'sche
ER  -