Latest revision as of 20:10, 25 January 2021

Abstract

Original document

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

• http://dx.doi.org/10.5703/1288284313533

• https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1881&context=jtrp

• http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1881&context=jtrp,

https://docs.lib.purdue.edu/jtrp/392,

https://core.ac.uk/display/4952697,

https://trid.trb.org/view/1219452,

https://academic.microsoft.com/#/detail/44531436

• http://docs.lib.purdue.edu/jtrp/392,

http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1881&context=jtrp