Sample survey of the roads of Great Britain, 1974/75

Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Johnson, H. D.
Kaituhi rangatōpū: Transport and Road Research Laboratory
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Crowthorne, Berkshire Transport and Road Research Laboratory 1981.
Ngā marau: