Heat pipes as a method of heat recovery /
Bader, Emil E.
Macdonald, A.
London :  Property Services Agency (DOE) Library, 
1976.
Translation of "Das Heizrohr, ein Mittel zum Wärmeruckgewinn" in 'Schweizerische Bauzeitung', v. 93, no. 10, 6th March, 1975.