000 00269nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aUpadhayay, Aryan
245 0 _aBal Vikas Thatha Manovighyan
260 _aNew Delhi
_bVandhana
_c2007
300 _a256p.
942 _cBK
999 _c13101
_d13101