000			00316nam a2200121Ia 4500
090			_c2661 _d2661
100			_aGaposchkin,Payne Cocilia
245			_aIntroduction to astronomy. _cPayne Cocilia Gaposchkin
260			_aLondon: _bMethuen, _c1961.
300			_ax,507 p.: _bdia; _c24 cm.
650			_aAstronomy
942			_cBK
999			_c2560 _d2569