000 00286nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.38153
_bSIN
100 _a SINGH (KAVITA) , VASHISTH (RASHMI)
245 0 _aDIGITAL CONTROL SYSTEM
260 _b GALGOTIA PUB
_aNOIDA
942 _cBK
999 _c4861
_d4861