H. Fagerlund

Radiometric realization of the candela with a trap detector

E. Ikonen, F. Manoochehri, A. Lassila, 1995 .

Measurement of time-dependent strains of concrete. Prepared by subcommittee 4: Standardized test methods for creep and shrinkage

Kristek, H. Reinhardt, Z. Bažant, 1998 .

Optical power and transmittance measurements and their use in detector-based realization of the luminous intensity scale

H. Ludvigsen, E. Ikonen, F. Manoochehri, 1995 .