TY  - BOOK
AU  - Cummings, Ronald G
AU  - Schulze, William D
TI  - Valuing environmental goods
SN  - 0847674487
AV  - HB 846.5 Cum 
PY  - 1986///
CY  - New York
PB  - Rowman & Littlefield
KW  - NATURAL RESOURCES--VALUATION
ER  -