Macdougall, J. D. <br/><br/>
Nature's clocks  how scientists measure the age of almost everything /  [electronic resource] : 
Doug Macdougall 
 - Berkeley :  University of California Press,  c2008 
 - 1 online resource (xi, 271 p.) :  ill. 
<br/><br/>Includes bibliographical references (p. 257-263) and index 
<br/><br/>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 
<br/><br/><br/>Mode of access : Internet 
<br/><br/><label>ISBN: </label>6611752625 (electronic bk.) 9786611752620 (electronic bk.) 0520933443 (electronic bk.) 9780520933446 (electronic bk.) 9781435684737 (electronic bk.) 1435684737 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochronometry<br/>Geological time<br/>Radioisotopes in geology