00321nam a2200121Ia 4500008004100000041000800041082001400049100001900063245003700082260003900119300002900158365001200187240624s9999    xx            000 0 und d  aeng  a519.5 BRO  aBROWN STEVEN R  aEXPERIMENTAL DESIGN AND ANALYSIS  c1990aNew DelhibSage Publications  avi, : 86 : p. : cm. ; 21  cBPSb30