TY  - BOOK
AU  - Macdougall,J.D.
TI  - Nature's clocks: how scientists measure the age of almost everything 
PY  - 2008///
CY  - Berkeley
PB  - University of California Press
KW  - Geochronometry
KW  - Geological time
KW  - Radioisotopes in geology
N1  - Includes bibliographical references (p. 257-263) and index; No vestige of a beginning-- -- Mysterious rays -- Wild Bill's quest -- Changing perceptions -- Getting the lead out -- Dating the boundaries -- Clocking evolution -- Ghostly forests and Mediterranean volcanoes -- More and more from less and less
UR  - http://catdir.loc.gov/catdir/toc/fy0804/2007046955.html
UR  - http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=246033
ER  -