000 00320nam a2200145Ia 4500
008 240201s2002 xx 000 0 eng d
020 _a9789812323149
082 _a535.078 LAU
100 _aLAUW, DARLENE
245 0 _aLIGHT
260 _bTIMES EDITIONS
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300 _a31
650 _aSCIENCE
942 _2ddc
_cBK
999 _c5843
_d5843