000 00524nam a2200157Ia 4500
008 100324s9999 xx 000 0 und d
020 _a978 0 07 065548 5
100 _aSingh, Ashok Kumar
245 _aScience and technology: for civil services examinations
260 _c2008
_bTata McGraw Hill Publishing Company
_aNew Delhi
300 _aviii, 646 p.
366 _b2008
541 _gNo. 195 dt. 20/1/2009
650 _aScience & technology
942 _cBK
999 _c96381
_d96381