1. Getting the best out of rotary air heaters;Chojnowski;CEGB Research,1978
2. Heating a factory for nothing;Applegate;Heating & Vent. Engng,1970
3. Klimatechnishe Tenderizer in schwedischen Krankenhausbau;Sohlberg;Heizung Luftung Klimatech.,1976
4. Exchanging heat to save fuel;Mortimer;The Engineer,1973
5. Heat regeneration by thermal wheel;Applegate,1974