000 00281nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a001.814
_bIVE
100 _aIverson, Margaret R
245 0 _aResearch paper simplified
260 _aNew Delhi
_bPrentice Hall
_c1970
942 _cBK
999 _c24286
_d24286