Calibration of a surround panel used to measure window and door U-values in the rotatable hot box apparatus as specified in BS EN ISO 12567-1:2000 and prEN 12567-2 /
Williams, Ray.
Ballard, Graham.
National Physical Laboratory (Great Britain.).Centre for Basic, Thermal and Length Metrology.
Teddington : National Physical Laboratory,
2003.
NMS Programme for Thermal Metrology 2001, 2004, Project PT0142 milestone 4.2.a.03.