000 00291nam a2200121Ia 4500
008 230223s9999 xx 000 0 und d
082 _a11/2017
100 _aArpit Tiwari
245 0 _aInstitute Of Astronomy And Astrophysics
260 _c2017
502 _cProf. Md.Shabahat
942 _cTH
999 _c22957
_d22957