2[8]The International Navigation Association(PIANC).Guidelines and recommendations for river information services[R].European Commission,Brussels,2004-04.
3[9]SCHREECK S,ALIFERIS K.Vessel traffic management and information service network VTMIS-NET:European Project[R].European Commission,Brussels,1998-10.
4[10]European Commission.White paper European transport policy for 2010:time to decide[R].European Commission,Brussels,2001-09.
5[11]TNO-FEL.EC transport-4th framework programme waterborne transport project:RINAC final report[R].European Commission,Brussels,1999-03.
6[12]European Commission.Final report of INDRIS[R].European Commission,Brussels,2001-01.
7[13]PFLIEGL R.The framework of GALEWAT[DB/OL].http://www.via-donau.org/,2005.