Latest revision as of 18:55, 25 January 2021

Abstract

Original document

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

• http://dx.doi.org/10.5703/1288284313674

• https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=2022&context=jtrp

• http://docs.lib.purdue.edu/jtrp/533,

http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=2022&context=jtrp

• https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=2022&context=jtrp,

https://docs.lib.purdue.edu/jtrp/533,

https://core.ac.uk/display/4952712,

https://trid.trb.org/view/1219203,

https://academic.microsoft.com/#/detail/1487100799