275660275660 00003196-52de8788 1 1 1 3 275660 00793nam a22002057 4500275660011211s1979 sw 000 0 eng cLSvensson, PärA survey of existing solar powered refrigeration systems for storage of food stuffs and a method of calculation for a solar powered Platen-Munters' system /Pär Svensson, Håkan HanssonLund,197994 bl., 4 diagr.-bl.LS