TY - CONF AU - Bartkowiak Maciej AU - Korus Zbigniew AU - Świerczyński Roger JO - International Conference on Signals and Electronic Systems TI - Invocom Multimedia - Internet-based Vocational Training T2 - International Conference on Signals and Electronic Systems PY - 2004 Y1 - 13-15 September 2004 JA - International Conference on Signals and Electronic Systems DO - ER -