1. SAA, Agricultural Research Service, U.S. Department of Agriculture, Citrus and Subtropical Products Laboratory, 600 Avenue S, N.W., Winter Haven, FL 33881
2. Koch Membrane Systems, Inc., 850 Main Street, Wilmington, MA 01887 G.L.C. Consulting Services, Ltd., 13 Harav Cook Street, Ramat-Hasharon, 47283 Israel