000 00309nam a2200133Ia 4500
008 240411s9999||||xx |||||||||||||| ||und||
040 _aKP
082 _a621.31
100 _aGupta, B.R and Singhal , Vanda
245 0 _aElectrical Science
250 _a1st.
260 _aNew Delhi
_b2000
_c500
942 _cBK
999 _c19489
_d19489