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Geographica Helvetica
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  • CiteScore value: 0.74 CiteScore
    0.74
  • SNIP value: 0.585 SNIP 0.585
  • SJR value: 0.385 SJR 0.385
  • IPP value: 0.62 IPP 0.62
  • h5-index value: 10 h5-index 10
  • Scimago H <br class='hide-on-tablet hide-on-mobile'>index value: 13 Scimago H
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Volume 27, issue 4
Geogr. Helv., 27, 171-172, 1972
https://doi.org/10.5194/gh-27-171-1972
© Author(s) 1972. This work is distributed under
the Creative Commons Attribution 3.0 License.
Geogr. Helv., 27, 171-172, 1972
https://doi.org/10.5194/gh-27-171-1972
© Author(s) 1972. This work is distributed under
the Creative Commons Attribution 3.0 License.

  31 Dec 1972

31 Dec 1972

AMTRAK : les services voyageurs des chemin de fer américains

Maurice E. Perret Maurice E. Perret
  • University of Wisconsin – Geography Department Stevens Point, Wis. 54481, USA
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