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Preliminary study on alterations of altitude road traffic in China from 2006 to 2013
INTRODUCTION: Road traffic can play an important role in strengthening regional economic activities, especially at high altitude, and it is necessary to know important traffic-related information. Although previous studies reported on road traffic in China, there has been little research on high-alt...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5302387/ https://www.ncbi.nlm.nih.gov/pubmed/28187203 http://dx.doi.org/10.1371/journal.pone.0171090 |