000			00313nam a2200133Ia 4500
001			978-058-927-9
008			230221s9999 xx 000 0 und d
100			_aPHY. 124-Geometric and Wave Optics
260			_a2007
260			_b0
260			_cNational Open University of Nigeria
700			_amet
942			_2BK
999			_c4323 _d4323