TY  - BOOK
AU  - Lees,Nigel
ED  - British Library. Science Reference and Information Service
TI  - Environmental information: a  guide to sources 
SN  - 0712308253
U1  - 333.7207  REF 
PY  - 1997///
CY  - London
PB  - British Library
KW  - Environmental science
KW  - Environmental information
ER  -