000			00356nam a2200169Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aHeavens, O.S.
245			_aOptical masers
250			_aFirst
260			_c1965
546			_aEnglish
942			_2ddc _cBK
999			_c29397 _d29397
005			20220125170148.0