Revision as of 16:01, 25 January 2021

Abstract

Original document

The different versions of the original document can be found in:

• http://dx.doi.org/10.5703/1288284313531

• https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1879&context=jtrp

• http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1879&context=jtrp,

https://core.ac.uk/display/4952505,

https://docs.lib.purdue.edu/jtrp/390,

https://trid.trb.org/view.aspx?id=1219450,

https://academic.microsoft.com/#/detail/162454193

• http://docs.lib.purdue.edu/jtrp/390,

http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1879&context=jtrp