TY  - BOOK
AU  - Basta, D. J. and Bower, B. T.
TI  - Analyzing natural systems : analysis for regional residuals-environmental quality management 
SN  - 0801828201
AV  - TD170.2.A5 1982 
PY  - 1982///
CY  - Washington, D.C.
PB  - Resources for the Future
KW  - Environmental protection - Mathematical models
KW  - Pollution - Mathematical models
ER  -