1. Centerline velocity characteristics of rectangular unflanged hoods and slots under suction;Fletcher;Ann. Occup. Hyg.,1977
2. American Conference of Governmental Industrial Hygienists, Committee on Industrial Ventilation,1992
3. Dvizhenie vozdushnogo potoha k vytyazhnomu otverstiyu;Tyaglo;Vodosnabzh. Sanit. Tekh.,1970
4. Strömungsverhältnisse bei runden Saugöffnungen mit Flansch;Drkal;Z. Heiz. Lüft. Klim. Haus.,1970