TY  - BOOK
AU  - Halliwell,Lyndsay,(ed)
TI  - Essential environmental science: methods and techniques  
SN  - 0415132479 :
U1  - 628 19
PY  - 1996///
CY  - London
PB  - Routledge
KW  - Environment
KW  - Spines
N1  - env
N2  - Environment Management
ER  -