TY  - BOOK
AU  - Cobb, Clifford W
TI  - The Green National Product:  A Proposed Index of Sustainable Economic Welfare
SN  - 0819193224   
U1  - C48.3 
PY  - 1994///
CY  - New York
PB  - University Press of America
N1  - includes index and biblioraphy
ER  -