1. Dept. of Food Science; Univ. of Arkansas; 2650 Young Ave Fayetteville AR 72074 U.S.A.
2. Dept. of Curriculum and Instruction; Univ. of Arkansas; Peabody Hall, 736 W. Maple St. Fayetteville AR 72071 U.S.A.
3. Dept. of Chemical Engineering; Univ. of Arkansas; Bell Engineering Center; 800 W. Dickson St. Fayetteville AR 72701 U.S.A.