000 00334nam a2200157Ia 4500
020 _a0747538484
040 _cPK-LaCSN
082 _b3033
_aF823
100 _achew charles
245 0 _aphysics o level
260 _c1998
300 _a250
942 _2ddc
_cBK
999 _c670035
_d670035