000 00269nam a2200109Ia 4500
008 231221s9999 xx 000 0 und d
100 _aGUPTA P.K
245 0 _aESSENTIAL CONCEPTS IN TECHNOLOGY
260 _bBSP
_aHYDRABAD
_c2016
300 _aXXVI, 326 P
942 _cBK
999 _c10260
_d10260