Gradstein Felix M Ed. Geologic time scale 2004 Gradstein Felix M Ed.; Ogg James G Ed.; Smith Alan G Ed. - Cambridge Cambridge University Press 2004 - xix, 589p. cm. Including Maps Appendix 1-3, 465-486p. ISBN: 0521786738 (pbk) Standard No.: 16589 Source: 235, 05/12/2005, Ashutosh Technical Books Reference Collections Subjects--Topical Terms: Geological time Time scaleGeology Dewey Class. No.: H5, P4 RR