000 00281nam a2200121Ia 4500
100 _aLeedy, Paul
365 _b155
942 _cBK
654 _a
245 _aPractical research
_bPlanning and design
260 _aNew York
_bMacmillan Publishing Company
_c1985
082 _a001.42
999 _c419660
_d419660
041 _aeng