TY  - BOOK
AU  - Seki, Humitake.
TI  - Organic Materials in Aquatic Ecosystems / 
SN  - 0-8493-6446-9
U1  - G(E5):5 
PY  - 1977///
CY  -   : 
PB  - CRC Press, Inc. , 
KW  - Life Science <Aquatic Ecosystem>
ER  -