000 00257nam a2200109Ia 4500
008 220201s1998 xx 000 0 eng d
100 _aMALVINO, A.P. & LEACH, D.
245 0 _aDIGITAL PRINCIPLE
260 _aDELHI
_bPHI
_c1998
300 _a540
942 _2ddc
999 _c67596
_d67596