cx a22 3 45 243682816 http://www.idref.fr/243682816 20200428 20230905110419.000 674822133 545472102 Tp5 http://catalogue.bnf.fr/ark:/12148/cb124549207 BNF VIAF 20210826 http://viaf.org/viaf/19774440 VIAF VIAF 20200401 20200428afrey50 ba0 eng 639-2 CA 0 1 0 ba AFNOR ba0yba0y Farquhar Ronald M. ba0yba0y Géologue. Associates professor of physics. University of Toronto, Canada ba0yba0y Farquhar R.M. FR Abes 20230905 AFNOR The earth's age and geochronology / Derek York and Ronald M. Farquhar, cop. 1972 Radiometric dating for geologists / edited by E.I. Hamilton,... R.M. Falquhar,.... , 1968 Farquhar, Ronald M. Farquhar, R.M.