1. Niels I. Meyer et al, Alternative Danish energy developments — dynamic analysis, Report No 9, DEMO-project, Physics Lab III, Technical University of Denmark, Lyngby, Denmark, forthcoming.
2. Nørgard, op cit, Ref 2.
3. A Solar-powered Solid-absorption Refrigeration System;Worsøe-Schmidt,1977
4. See Konsumventverket, Report 1976:2, op cit, Ref 11.
5. Technical Summary of Wanlass Controlled Torque Electrical Motors,1977