000 00272nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS P Sukhiya & P V Mehrotra
245 0 _aGreh Vigyan Shikshan
260 _aChandigarh
_bHaryana Hindi Granthalya Academy
_c1976
942 _cBK
999 _c3701
_d3701