Não informado. (1970). Industrial aerodynamics abstracts. British Hydromechanics Research Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Industrial Aerodynamics Abstracts. Oxford, Inglaterra: British Hydromechanics Research Association, 1970.
Lua MLA (8ú heag.)Não informado. Industrial Aerodynamics Abstracts. British Hydromechanics Research Association, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.