Mackenzie-Kennedy C. District Heating.Thermal Generation and Distribution. A practice guide to centralised generation and distribution of heat services / Mackenzie-Kennedy C. - Oxford : Pergamon Press, 1979. - XII,198 s.,il.,bibliogr. ; 30 cm. ISSN 126 ; 1. ISSN: 126 Universal Decimal Class. No.: 696.4 697.3