000			00329nam a2200145Ia 4500
008			180710s9999 xx 000 0 und d
020			_a146017
082			_a520 _bRON
100			_aRONAN, Colin
245		4	_aThe astronomers
260			_aLondon _bEvans brothers _c1964
300			_a232 p.
650			_aAstronomy
942			_cS
999			_c81712 _d81712