TY  - BOOK
AU  - Vries, Bert J. M. de
TI  - Sustainability science 
SN  - 978-0-521-18470-0
U1  - 338.927072 23rd.
PY  - 2013///
CY  - Delhi 
PB  - Cambridge University Press 
KW  - Sustainable development-Research
UR  - www.cambridge.org
ER  -