TY  - BOOK
AU  - Siebert Horst
TI  - Economics of the environment:  Theory and policy   
SN  - 9783540737063
U1  - X:(G:55), M7; P8 
PY  - 2008///
CY  - Heidelberg
PB  - Springer Verlag         
KW  - Commerce
N1  - Bibliography  P301-27
ER  -