000 00237nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD D Singhal & Anye
245 0 _aVyavsaik Sanchar
260 _aJaipur
_bRamesh Book
_c2003
942 _cBK
999 _c11457
_d11457