000 00269nam a2200109Ia 4500
999 _c14811
_d14811
082 _aRR 016.5 HIN
100 _aChadda, ,Yoga Raj ed.
245 0 _aHindi vaigyanik aur takaniki prakashan nidasika
260 _aNew Delhi
_bC.S.I.R.
_c1983
300 _a336p.
942 _cBK