000 00275nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aHarishchander Batherwal
245 0 _aTatva vigyaan
260 _aNew Delhi
_bDeenDayal Research Instt
_c1977
650 _aHindi
942 _cBK
999 _c3438
_d3438