2003:
GaAs MANTECH 2002, Miami Beach, USA [PDF]
DGKK 2003, Erlangen, Germany [PDF]
2004:
CS-MAX 2004, Monterey, USA [PDF]
2005:
GaAs-MANTECH 2005, San Diego, USA
2007:
ICSCRM 2007, Oton, Japan
2008:
ECSCRM 2008, Barcelona, Spain [PDF]