Prospective authors are invited to submit a brief abstract (up to 15 lines) in English together with the title of the paper, a completed list of co-authors and the mailing address. The abstract should be sent by e-mail conference2009@uacg.bg  or fax (+359 2 9632636) as soon as possible, but not later than 1 May 2009. The notification for acceptance of the papers will be made as soon as possible, but not later than 10 June 2009.

IMPORTANT: The abstract submission is prolonged till 31th of May2009. The extention is in response to the requests from many scientists and colleagues who want to attend the conference UACEG2009!