TY  - BOOK
AU  - Mannion, A.M.
AU  - 
TI  - Natural environmental changes: the last 3 million years
SN  - 0-415-13933-3
U1  - 577.4 
PY  - 1999///
CY  - London
PB  - Routledge
KW  - Global environmental change
KW  - Climatic changes
ER  -