Petersen, E. L., Lundsager, P., & Harvoe, P. (1991). Proceedings of UNDTCD/Danida/Riso international workshop on wind energy ([1st ed.].). RISO National Laboratory.
Citace podle Chicago (17th ed.)Petersen, Erik Lundtang, P. Lundsager, a P. Harvoe. Proceedings of UNDTCD/Danida/Riso International Workshop on Wind Energy. [1st ed.]. Roskilde: RISO National Laboratory, 1991.
Citace podle MLA (9th ed.)Petersen, Erik Lundtang, et al. Proceedings of UNDTCD/Danida/Riso International Workshop on Wind Energy. [1st ed.]. RISO National Laboratory, 1991.
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