000 00357nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78E+12
082 _a629
082 _b13251
100 _aNagraja N S
245 0 _aElements Of Electonic Na
250 _aSecond
260 _aNew Delhi
260 _bTMH
260 _c1996
300 _aX- 175
999 _c50493
_d50493