1. Mapping the global network economy on the basis of air passenger transport flows;Witlox;GaWC Res Bull,2004
2. Tuberculosis and air travel: guidelines for prevention and control,1998
3. Tuberculosis and air travel: guidelines for prevention and control,2006
4. Tuberculosis and air travel: guidelines for prevention and control,2008
5. Risk Assessment guidelines for infectious diseases transmitted on aircraft (RAGIDA);Schenkel,2009