New evidence on walking distances to transit stops: identifying redundancies and gaps using variable service areas
Transportation (Dordrecht), 2014, Vol.41 (1), p.193-210 [Peer Reviewed Journal]Springer Science+Business Media New York 2013 ;ISSN: 0049-4488 ;EISSN: 1572-9435 ;DOI: 10.1007/s11116-013-9508-z
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