TY - JOUR T1 - Counterbalancing needed to avoid bias in side-by-side brightness matching tasks JO - LEUKOS - Journal of Illuminating Engineering Society of North America UR - http://eprints.whiterose.ac.uk/77013/ PY - 2008/01/01 AU - Fotios SA AU - Houser KW AU - Cheal C ED - DO - DOI: 10.1582/LEUKOS.2008.04.04.001 VL - 4 IS - 4 SP - 207 EP - 223 Y2 - 2025/01/13 ER -