National Travel Survey: Travel During 1977. Bureau of the Census, U.S. Department of Commerce, Washington, D.C. October 1979. 362p. $7.50

1980 ◽  
Vol 18 (4) ◽  
pp. 39-39
2018 ◽  
Vol 32 ◽  
pp. 339-350
Author(s):  
Dana Gruschwitz ◽  
Johannes Eggs ◽  
Claudia Nobis ◽  
Angelika Schulz

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