TY  - BOOK
AU  - PUCHELT,H.
TI  - THE NATURAL ENVIRONMENT AND THE BIOGEOCHEMICAL CYCLES / 
U1  - 574.5222 
PY  - 1995///
CY  - [S.N] : 
PB  - SPRINGER - VERLAG ، 
KW  - ENVIRONMENTAL CHEMISTRY
KW  - BIOGEOCHEMICS
ER  -