000 00391pam a2200169a 44500
082 _a550.1
_bH939h
100 _aHurley, Patrick M.
245 1 _aHOW OLD IS THE EARTH
260 _aLondon
_bHeinemann
_c1959
300 _a160
440 _aScience Study Series
_vS5
650 _aEarth
650 _aRadioactivity
650 _aGeological Time
964 _gCIRC
997 _a24165 C
999 _c433166
_d433166