Geotechnical investigation and testing - Geothermal testing - Determination of thermal conductivity of soil and rock using a borehole heat exchanger (ISO/DIS 17628:2013); German version prEN ISO 17628:2013
Geotechnical investigation and testing - Geothermal testing - Determination of thermal conductivity of soil and rock using a borehole heat exchanger (ISO 17628:2015); German version EN ISO 17628:2015— 37 стр.