000 00269nam a2200109Ia 4500
008 220516s1992 xx 000 0 und d
041 _aeng
082 _a370 AHU/BES
100 _aAhuja,B.N
_9833239
245 _aBest IQ
260 _aNew Delhi
_bNew Light Publisher
_c1992
999 _c582007
_d582007