00341nam a2200133Ia 4500008004100000041000800041082001500049100002100064245003900085250001400124260003800138300002400176365000700200240624s9999    xx            000 0 und d  aeng  a300.72 KER  aKERLINGER FRED N  aFOUNDATIONS OF BEHAVIORAL RESEARCH  a(4th ed.)  c2000aAustraliabCengage Learning  a890 : p. : cm. ; 28  cRS