(en) Kristian H. Nielsen et Matthias Heymann, « Winds of change: communication and wind power technology development in Denmark and Germany from 1973 to ca. 1985 », Engineering Studies, vol. 4, no 1, , p. 11–31 (ISSN1937-8629 et 1940-8374, DOI10.1080/19378629.2011.649921, lire en ligne, consulté le )
(en) Kristian H. Nielsen et Matthias Heymann, « Winds of change: communication and wind power technology development in Denmark and Germany from 1973 to ca. 1985 », Engineering Studies, vol. 4, no 1, , p. 11–31 (ISSN1937-8629 et 1940-8374, DOI10.1080/19378629.2011.649921, lire en ligne, consulté le )
(en) Kristian H. Nielsen et Matthias Heymann, « Winds of change: communication and wind power technology development in Denmark and Germany from 1973 to ca. 1985 », Engineering Studies, vol. 4, no 1, , p. 11–31 (ISSN1937-8629 et 1940-8374, DOI10.1080/19378629.2011.649921, lire en ligne, consulté le )