The International System of Units (SI), 7th Edition, Bur. Intl. Poids et Mesures, Sevres, France

 International Vocabulary of Basic and General Terms in Metrology, Quantities and Units (ISO 31), and Guide to the Expression of Uncertainty in Measurement, International Organization for Standardization, Geneva, Switzerland

 International Commission on Illumination (CIE): CIE 17.4/IEC 50 (854) International Lighting Vocabulary (1987)

 Mutual Recognition Arrangement, the Joint Committee of the Regional Metrology Organizations, the Key Comparison Database, and the Calibration and Measurement Capabilities of National Metrology Institutes

 US Guide to the Expression of Uncertainty in Measurement, ANSI/NCSL Z540-2-1997, National Conference of Standards Laboratories, Boulder, Colorado

 B.N. Taylor, Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 1995 Edition, US Department of Commerce, Gaithersburg, Maryland

 C.L. Wyatt, V. Privalsky, and R. Datla, Recommended Practice; Symbols, Terms, Units and Uncertainty Analysis for Radiometric Sensor Calibration, NIST Handbook 152, US Department of Commerce, Gaithersburg, Maryland

 C.J. Bruegge, E. Miller, R. Martin, H.H. Kieffer, and J.M. Palmer, Definitions in Use by the Visible and Near-Infrared, and Thermal Working Groups, Earth Observing System Calibration Advisory Panel (1991)

 A.V. Prokhorov, V.I. Saprtisky, O.M. Mikhaylov, V.F. Zakharenkov, and V.E. Privalsky, Spaceborne Optoelectronic Sensors and their Radiometric Calibration. Terms and Definitions Part 1. Calibration Techniques, Vega International, Inc., New York, 1991

 EOS Data Products Handbook, EOS Project Science Office