6th Conference of European Students of Traffic and Transportation Sciences "transport modal split as economic indicator" : international scientific conference : June, 11th-14th 2008 Žilina, Slovakia : [ ...the project 1/0432/08 - "Transport modal split model with the aspect of infrastructure capacity" and by the KEGA project agency by the project 3/5180/07 "Creating of the methodology for the training the air staff by the using of the new technologies"]