000			00548cam a2200193 a 4500
001			000632133
005			20170507092626.0
008			840208s1984 enka b 001 0 eng d
020			_a0852744420
040			_aDLC _cDLC _dDLC
041	0		_aeng
082	0	0	_a538/.7 _219
100	1		_aJacobs, John Arthur, _d1916-
245	1	0	_aReversals of the Earth's magnetic field / _cJ.A. Jacobs.
260			_aBristol : _bA. Hilger, _c1984.
300			_a230 p. : _bill. ; _c24 cm.
504			_aIncludes bibliographies and index.
650		0	_aGeomagnetism.
999			_c552128 _d552128