TY  - BOOK
AU  - Harper, Christopher T
AU  - 
TI  - Geochronology: Radiometric dating of rocks and minerals
U1  - 551.7 
PY  - 1973///
CY  - Stroudsburg
PB  - Dowden
KW  - geochronology
KW  - Radiometric dating
KW  - Rocks
KW  - Minerals
N1  -  Includes bibliographies
ER  -