Gaya APA
Viegas, J, M., Martínez, L, M. (2012).
A new approach to modelling distance-decay functions for accessibility assessment in transport studies .
Portugal:
Elsevier.
Gaya MLA
Viegas, José, Manuel., Martínez, L., Miguel.
"A new approach to modelling distance-decay functions for accessibility assessment in transport studies".
Portugal:
Elsevier,
2012.
Article.