The energy saving guide : tables for assessing the profitability of energy saving measures with explanatory notes and worked examples - Helcké, George; Helcke, G. (Oxford [etc.]: Pergamon, 1981)
Keywords: ENERGIESPAREN (ENERGIETECHNIK); FORMELTAFELN + ZAHLENTABELLEN; ENERGY CONSERVATION (ENERGY TECHNOLOGY); ÉCONOMIES D'ÉNERGIE (TECHNOLOGIE ÉNERGÉTIQUE); FORMULAE, NUMERICAL TABLES; TABLES NUMERIQUES ET NON NUMERIQUES