TY  - BOOK
T1  - How old is the earth
A1  - Hurley, Patrick M.
LA  - English
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606653034
OP  - 160
CN  - QC 3 S3 H69 1959
KW  - Geological time.
KW  - Earth : Age.
ER  -