Quality and accuracy of positional data in transportation /- E.S. Fekpe...[et al.] 

 - Washington, D.C. : TRB 
 - [105]p. 
 - Report ; 506 / Transportation Research Board .
<br/><br/> [Este folleto incluye 1CD cuyo titulo es: NCHRP Report 506:- supporting software-GIS error model].