000 00271nam a2200121Ia 4500
008 230601s9999 xx 000 0 und d
100 _aKaushik, Soma
245 0 _aBirju's Problem
260 _bNBTI
_aNew Delhi
_c2008
300 _a38
650 _aEducation
942 _cREF
999 _c8816
_d8816