000			00357nam a2200145Ia 4500
008			170207s9999 xx 000 0 und d
082			_a500.5 LEY-R
100			_aLey, Willy
245			_aRockets, missiles, and men in space
260			_bNew American Library, New York
260			_c1968
300			_a668
650			_aSpace sciences
942			_cBOOKS
999			_c15637 _d15637