Basic design temperatures for space-heating : by a study committee convened by the councils of the Institution of Mechanical Engineers, the Institute of Electrical Engineers, the Institution of Gas Engineers and the Institution of Heating and Ventilating Engineers.
Institution of Mechanical Engineers (Great Britain)
Institution of Electrical Engineers.
Institution of Gas Engineers.
Institution of Heating and Ventilating Engineers (Great Britain)
Great Britain.Ministry of Works,issuing body.
Great Britain.Her Majesty's Stationery Office.