000 00278nam a2200121Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aR.K.Gaur
245 0 _aBasic Applied Physics
260 _aNew Delhi
_bDhanpat Rai
300 _a613
650 _aElectronics
942 _cREF
999 _c19812
_d19812