000 00308nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a9780070655485
100 _aSingh,Ashok Kumar
245 _aScience & Technology
260 _aNew Delhi
_bTata McGraw Hill
_c2012
300 _aviii,646p.;22cm
942 _cBK
999 _c7443
_d7443