Personenkilometer (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Personenkilometer" in German language version.

refsWebsite

Global rank German rank

2,106^th place

139^th place

4,500^th place

9,902^nd place

bts.gov (Global: 4,500^th place; German: 9,902^nd place)

Bureau of Transportation Statistics, U.S. Passenger-Miles, Juli 2020

google.de (Global: 2,106^th place; German: 139^th place)

books.google.de

Peter Maurer, Luftverkehrsmanagement, 2006, S. 126 f.