TY  - BOOK
AU  - Becker Egon Ed.
AU  -  Jahn Thomas Ed.
TI  - Sustainability and the social sciences :  A crossdisciplinary approach integrating.   
U1  - X:77:(G:55), N9 
PY  - 1999///
CY  - London
PB  - Zed Books United Kingdom       
KW  - Economic Development
ER  -