TY  - BOOK
AU  - YORK DEREK
TI  - THE EARTHS AGE AND GEOCHRONOILOGY
T2  - 0
U1  - 525 
PY  - 1973///
CY  - U.S.A.
PB  - PERGAMON PRESS
KW  - CIENCIAS PURAS
N1  - RADIOACTIVITY/EXPERIMENTAL/METHODS
ER  -