TY - JOUR AU - Kenneth Eckerle AU - J Bastie AU - Joanne Zwinkels AU - V Sapritsky AU - A Ulyanov C2 - Color Research and Application DA - 1993-01-01 LA - en M1 - 18 PB - Color Research and Application PY - 1993 TI - Comparison of Regular Transmittance Scales of Four National Standardizing Laboratories UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=103728 ER -