000 00307nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS Sen & others, Ed.
245 0 _aUnique quintessence of general studies for UPSC, Civil services preliminary exam 1994
260 _aNew Delhi
_bUnique Pub
_c1994
942 _cBK
999 _c8484
_d8484