000 00548nam a2200181Ia 4500
001 160903
008 170722s9999 xx 000 0 und d
020 _a9780070655485
100 _aSingh, Ashok Kumar
245 _aScience and technology for Civil services examinations /
260 _aNew Delhi :
_bTata McGraw Hill Publishing Co Ltd ,
_c2008.
300 _aviii+646
490 _aTata McGraw-Hills winning edge series
653 _aCompetitive Exam Guide
653 _aScience And Technology
923 _d20090203
_nV409
942 _cREF
999 _c140213
_d140213