000 00263nam a2200121Ia 4500
100 _aIverson, Margaret R
942 _cBK
654 _a
245 _aResearch paper simplified
260 _aNew Delhi
_bPrentice Hall
_c1970
082 _a001.4
300 _bHb
_a85
999 _c372946
_d372946
041 _aeng