TY  - BOOK
AU  - Hall Charles A S Ed.
AU  -  Day John W Ed.
TI  - Ecosystem modeling in theory and practice :  An int   
T2  - Wiely-Interscience Publication
U1  - U:(G:5), L7 
PY  - 1977///
CY  - New York
PB  - John Wiley U S A     
KW  - Modern - Geography
ER  -