TY  - BOOK
AU  - Pitt David Ed.
AU  -  Samson Paul R Ed
TI  - Biosphere and Noosphere reader:  Global environment , society and change   
SN  - 0415166446
U1  - U47:(G:55), N9 
PY  - 1999///
CY  - London
PB  - Routledge Published         
KW  - Human Geography
ER  -