TY  - BOOK
AU  - CHARLES A S HALL
TI  - ECOSYSTEM MODELING IN THEORY AND PRACTICE AN TNTRODUCTION WITH CASE HISTORIES
SN  - 0471341657
U1  - R 574.50184 H 1 
PY  - 1977///
CY  - NEW YORK
PB  - JOHN WILEY & SONS
KW  - ECOSYSTEM MODELING IN THEORY AND PRACTICE AN TNTRODUCTION WITH CASE HISTORIES
ER  -