TY - GEN AU - George Eppeldauer C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 2009-03-11 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 2009 TI - NIST Technical Note No. 1621: Optical radiation measurements based on detector standards UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901369 ER -