TY  - BOOK
AU  - Heijungs, Reinout  .
TI  - Theory of the environment and economic systems: a unified framework for ecological economic analysis and decision-support / 
SN  - 1-84064-643-8
U1  - X:(G:55) 
PY  - 2001///
CY  - Massachusetts : 
PB  - Edward Elgar publishing Limited , 
KW  - Environmental economics
ER  -