Dear Professor Fruehwirth, Thank you very much for your instant reply to my question, I shall try your suggestion now. with regards, Farouk =============================================================================== UMARU FAROUK AMINU DEPARTMENT OF MANAGEMENT SCIENCE LANCASTER UNIVERSITY LANCASTER LA1 4YX U.K. +44 (0)1524 593865 (School) +44 (0)1524 383619 (Home) +44 (0)1524 844885 (Fax)Received on Fri Mar 02 10:47:50 2001
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