TY - JOUR AU - E Ikonen AU - P Toivanen AU - J Hovia AU - Yoshi Ohno C2 - Metrologia DA - 2002-01-01 00:01:00 LA - en M1 - 39 PB - Metrologia PY - 2002 TI - Intercomparison of the illuminance responsivity scales and units of luminous flux maintained at the HUT (Finland) and the NIST (USA) ER -