TY  - BOOK
AU  - Likens Gene E
AU  -  Bormann F H
TI  - Biogeochemistry of a forested ecosystem
U1  - JB:95, L7 
PY  - 1977///
CY  - New York    
PB  -  Springer-verlag        
KW  -  Forestry
KW  - Agriculture
ER  -