Registration The registration will be done exclusively by e-mail. We would prefer groups register jointly by sending e-mail to rezacova@img.cas.cz. For each participant please indicate: name, sex, e-mail addresss, title of presentation and preference for single/double room. The deadline for your registration is: *June 30, 2009* and for your payment: *July 31, 2009* The abstract should not be longer than 1 page (A4) and should be submitted by e-mail as an attachment to address hec12.abs@gmail.com. Please, use this template for formatting your abstract. The deadline for sending abstracts is: *August 15, 2009*