Ohlson, K. G. (1988). Method and means used in production of asphalt mix: Theory of suspension, mixing method, method of testing, method of analysis. Trafikteknik, Tekniska Högskolan i Lund.
Lua i Stíl Chicago (17ú heag.)Ohlson, Karl Gunnar. Method and Means Used in Production of Asphalt Mix: Theory of Suspension, Mixing Method, Method of Testing, Method of Analysis. Lund, Sweden: Trafikteknik, Tekniska Högskolan i Lund, 1988.
Lua MLA (8ú heag.)Ohlson, Karl Gunnar. Method and Means Used in Production of Asphalt Mix: Theory of Suspension, Mixing Method, Method of Testing, Method of Analysis. Trafikteknik, Tekniska Högskolan i Lund, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.