000 00309nam a2200109Ia 4500
008 220505s2002 xx 000 0 und d
041 _ahin
082 _a891.438/UPA
245 _aSanchar madhyamo k liye vigyan katha
260 _aFaijabad
_bBhartiya Vigyan Katha Lekhak Samiti
_c2002
650 _aHINDI
_9677339
999 _c466128
_d466128