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Willard), wille@mathematik.th-darmstadt.de (R. Wille), wismaths@cs.uleth.ca (S. Wismath), wolk@ccm.umanitoba.ca (B. Wolk), wood@mat.puc.cl (J. Wood), zadori@math.u-szeged.hu (L. Zadori), gizhi@scnit.saratov.su (G. I. Zhitomirskiy), zlatos@mff.uniba.sk (P. Zlatos), zolotykh@matis.math.msu.su (A. A. Zolotykh), George Gratzer Department of Mathematics University of Manitoba Winnipeg MB R3T 2N2 Canada Office: (204) 474-9658 Math office: (204) 474-8703 (for messages) Home: (204) 885-6543 Fax: (204) 831-7117 email: gratzer@cc.umanitoba.ca finger: gratzer@ccu.umanitoba.ca Web site: http://server.maths.umanitoba.ca/homepages/gratzer.html/