000			00555pam a2200205 a 4500
999			_c123047 _d123046
001			1039134
005			20190621105138.0
008			891220s1990 enka b 001 0 eng
020			_a0521387655
041			_aEN
082	0	0	_a551.701 _223 _bGEO
100			_aHarland, W. Brian _eetal
245	0	2	_aA Geologic time scale 1989
260			_aCambridge ; _bCambridge University Press, _c1990.
300			_axvi, 263 p. : _bill. ; _c31 cm.
504			_aIncludes references and indexes.
509			_aZSU
650		0	_aGeological time.
942			_cS