TY  - BOOK
AU  - York, Derek
AU  - Farguhar, Ronald M.
TI  - EARTH'S AGE AND GEOCHRONOLOGY
U1  - 551.701 
PY  - 1972///
CY  - Oxford
PB  - Pergamon Press
KW  - Earth -- Age
KW  - Geological Time
N1  - Ref. : P. 167-176
ER  -