000			00000nam a2200000 a 4500
005			20251202164234.0
082			_a300.72 _bBLU
100			_aBlum , Milton L.
100			_aFoos , Paul W.
245			_aData gathering: experimental methods plus
260			_aNew York _bHarper Collins _c1985
300			_a324 p. _b26 cm. _cPB
630			_aResearch methods
964			_b _c _d _e _f _g_
997			_a7631 LIBSS C
999			_c4514 _d4514