TY  - BOOK
AU  - White,Ian
AU  - Mottershead,D.N.
AU  - Harrison,S.J.
TI  - Environmental systems: an introductory text 
SN  - 041247140X
PY  - 1992///
CY  - London
PB  - Chapman & Hall
KW  - Physical geography
KW  - Natural history
ER  -