000 00249nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSureshchander Trivedi
245 0 _aSankshipt bhasha vigyaan
260 _aDelhi
_bSurya Prakashan
_c1989
942 _cBK
999 _c7152
_d7152