000 00274nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aMehta, V.K
245 0 _aPrinciples of electronics
260 _aS. chand and company
_c1999
300 _b0
650 _aOperating systems
999 _c136727
_d136727