000			00368nam a2200157Ia 4500
041			_aeng
082			_a523.2 _bPRO
100			_aProctor, Richard A
245		0	_aOther Worlds than ours
260			_aNew York _bP F Collier and Son
300			_a342 p.
650			_aAstronomy
650			_aSciences
942			_cBK
008			190319s9999||||xx |||||||||||||| ||und||
999			_c16130 _d16130