1. Laakso, H., 1957, “Querstromventilatoren mit Druckkennverten ψ>4,” Heizung-Luftung-Haustechnik 8 (12).
2. Tramposch, H., 1964, “Cross-Flow Fan,” ASME Paper No. 64-WA/FE-25.
3. Ilberg, H., and Sadeh, W. Z., 1965–1966, “Flow Theory and Performance of Tangential Fans,” Proc. Inst. Mech. Eng., 180, Part 1, (19).
4. Ikegami, H., and Murata, S. A., 1966, “Study of Cross Flow Fan. I. A Theoretical Analysis,” Technol. Rep. Osaka Univ., 16, pp. 557–578.
5. Porter, A. M., 1969, “A Study of the Tangential Fan,” Ph.D. thesis, Queen’s University, Belfast.