Bjarnason, Thoroddur (2014-12-01). "The effects of road infrastructure improvement on work travel in Northern Iceland". Journal of Transport Geography. 41: 229–238. doi:10.1016/j.jtrangeo.2014.09.009. hdl:20.500.11815/1074.
handle.net
hdl.handle.net
Bjarnason, Thoroddur (2014-12-01). "The effects of road infrastructure improvement on work travel in Northern Iceland". Journal of Transport Geography. 41: 229–238. doi:10.1016/j.jtrangeo.2014.09.009. hdl:20.500.11815/1074.
thjodfelagid.is
"Bjarnason". www.thjodfelagid.is. Archived from the original on 2015-10-05. Retrieved 2015-10-03.
"Bjarnason". www.thjodfelagid.is. Archived from the original on 2015-10-05. Retrieved 2015-10-03.