000 00273nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aEfy Pub
245 0 _aElectronics Projects
260 _bEfy Pub New Delhi
_c1997
300 _a125p
650 _aPhysics
942 _cBK
999 _c32939
_d32939