Hermann Kopetz Emmerich Fuchs Dietmar Millinger Roman Nossal An Interface as a Design Object. 24-32 1999 conf/isorc/1999 ISORC http://csdl.computer.org/comp/proceedings/isorc/1999/0207/00/02070024abs.htm db/conf/isorc/isorc1999.html#KopetzFMN99