000			00285nam a2200121 4500
008			160616s 000 0
245			_aOn the origin of the solar system
100			_aAlfven, H
500			_aB91:6 J4
942			_cBK _2BK10214
080			_a523.5 ALF
080			_a523.5 ALF
999			_c10214 _d10214