Holger Hermanns Ulrich Herzog Ulrich Klehmet Vassilis Mertsiotakis Markus Siegle Compositional Performance Modelling with TIPPtool. 51-62 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=1469&spage=0051 1998 conf/cpe/1998 Computer Performance Evaluation (Tools) db/conf/cpe/cpe98.html#HermannsHKMS98