000 00346nam a2200145Ia 4500
001 127272
008 170722s9999 xx 000 0 und d
020 _a0534355102
100 _aMcb, Urney, Donald H.
245 _aResearch methods. /
250 _a4th ed.
260 _aU.S.A :
_bBrooks/cole ,
_c1998.
300 _appXiv+434
942 _cGEN
999 _c121950
_d121950