00880nam a2200241Ia 4500 0000007703 20251012174618.0 810109s1981 enk 000 0 eng 0080267386 0080267394 (pbk.) 9780080267388 9780080267395 (pbk.) TJ163.5.D86 H44 1981 338.4/3644 19 658.1/553 19 The energy saving guide : tables for assessing the profitability of energy saving measures with explanatory notes and worked examples by George Helckâe. 1st ed. Oxford ; New York Published for the Commission of the European Communities by Pergamon Press 1981. xii, 224 p. 26 cm. Dwellings Energy conservation. Energy conservation Economic aspects. Energieeinsparung. swd 7235 7235 0 0 0 0 KEM KEM 2012-12-07 0 0000004363 2025-10-12 08:34:59 2025-10-12 OS