Economic flows between Helsinki-Uusimaa and Tallinn-Harju regions : 01/2013 : Helsinki-Tallinn Transport and Planning Scenarios project, H-TTransPlan [Electronic resource]
Laakso, Seppo
;
Kostiainen, Eeva
;
Kalvet, Tarmo
;
Velström, Keio
2013
http://www.hel.fi/wps/wcm/connect/15e9d665-795c-4429-91c9-af5abdb63d8e/Helsinki-Tallinna+talousvirrat.pdf?MOD=AJPERES&CACHEID=15e9d665-795c-4429-91c9-af5abdb63d8e