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008			780505s1979 maua|||||b||||001|0|eng|d
020			_a0674822005
040			_aDLC _cDLC _dDLC
041	0		_aeng
082	0	0	_a520/.8
245	0	2	_aA Source book in astronomy and astrophysics, 1900-1975 / _cEd. by Kenneth R. Lang, Owen Gingerich.
260			_aCambridge, Mass. : _bHarvard University Press, _c1979.
300			_axx, 922 p. : _bill. ; _c29 cm.
440		0	_aSource books in the history of the sciences
504			_aIncludes bibliogr. references and indexes.
650		0	_aAstronomy _xAddresses, essays, lectures.
650		0	_aAstrophysics _xAddresses, essays, lectures.
700	1		_aLang, Kenneth R. _4edt
700	1		_aGingerich, Owen. _4edt
999			_c466870 _d466870