TY  - BOOK
AU  - Lyell, Charles
TI  - Principles of geology : an attempt to explain the former changes of the earth's surface, by reference to causes now in operation
SN  - 9781108001359
U1  - 551 LYE 
PY  - 2009///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Geology
N1  - Includes bibliographical references and index
ER  -