TY  - BOOK
AU  - Gradstein,Felix M.
AU  - Ogg,James G.
AU  - Smith,Alan G.
TI  - A Geologic Time Scale 2004
SN  - 9780511536045 (ebook)
PY  - 2012///
CY  - Cambridge
PB  - The University Press
KW  - Geological time
N1  - Includes bibliographic references and index
UR  - http://dx.doi.org/10.1017/CBO9780511536045
ER  -