000 00340pam a2200121a 44500
008 230405s2008 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aAshok kumar singh
245 _aScience and Technology (for eiviseruces examinations)
260 _anew delhi
_bTata McGraw Hill Publishing Co.
_c2008
300 _a646
906 _a8648
999 _c299147
_d299147