000 00312nam a2200133Ia 4500
008 170101s1998 xx 000 0 und d
020 _a8120312732
100 _aBeyon John
245 0 _aOptics, Introductory University
260 _aN Delhi
_bPHI
_c1998
300 _a283
650 _aOptics
942 _2ddc
_cBK
999 _c30043
_d30043