Simplified method for the calculation of the annual heating energy ratio and the annual gas utilisation efficiency of sorption heat pumps - Gas heat pumps for space heating and domestic hot water
Edition 2013-01

Heat transfer station with water/water heat exchangers for continuous-flow water heating/space heat supply
Edition 2019-11

Modelling of vibrating systems
Edition 2018-02

Requirements for technical equipment rooms - Heating systems
Edition 2018-11

Information technology in product development - Calculation in design
Edition 2003-03

Development of Fibre-Reinforced Plastics components - Analysis
Edition 2006-09