00321nam a22000977a 4500082001900000100002200019245009200041260005900133300001300192650001800205  a150.151 95 STI  aStilson, Donald W  aProbability and statistics :bin psychological research and theory /cDonald W. Stilson  aBombay :bVakils, Feffer and Simons Private Ltd,c1971  a507 p.Ps  aPsychological