@article{128846, author = {Kenneth Eckerle and J Bastie and Joanne Zwinkels and V Sapritsky and A Ulyanov}, title = {Comparison of Regular Transmittance Scales of Four National Standardizing Laboratories}, year = {1993}, number = {18}, month = {1993-01-01}, publisher = {Color Research and Application}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=103728}, language = {en}, }