000 00291nam a2200109Ia 4500
008 140321s9999 xx 000 0 und d
082 _a530
100 _a"Singh, Ranbir"
245 _aIndian Institute of Technology (JEE)
260 _aDelhi
_bPioneer Technival publisher
_c1985
942 _cB
999 _c161629
_d161629