TY  - BOOK
AU  - Ernst, W. G.
AU  - Ernst,W.G.
TI  - Earth systems: processes and issues 
SN  - 9780521478953
U1  - 550 
PY  - 2000///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Earth sciences
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/samples/cam032/98037539.html
UR  - http://www.loc.gov/catdir/toc/cam023/98037539.html
UR  - http://www.loc.gov/catdir/description/cam029/98037539.html
ER  -