@unpublished{FeldmannGeppertRoessler1999, author = {Raimund Feldmann and Birgit Geppert and Frank R{\"o}{\"s}ler}, title = {Towards an Experimental Evaluation of SDL-Pattern based Protocol Design}, institution = {Fachbereich Informatik}, series = {Sonderforschungsbereich 501}, number = {1998,4}, year = {1999}, url = {http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hbz:386-kluedo-4038}, }