IEC standard voltages - supplementary remarks on the state of international standardization and european harmonization of nominal voltage 230/400 V and consequences of adaption from 220/380 V
Energetic evaluation of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Part 11: Building automation— 60 стр.
Control for heating, ventilating and air-conditioning applications - Electronic individual zone control equipment; German version EN 15500:2008— 64 стр.