000 00239nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aMANGAL,S.K.
245 _aSHIKSHA TAKNIKI
260 _bPHI Pvlt.
_c2009
300 _a968
942 _cBK
999 _c31674
_d31674