TY - GEN AU - Eckerle, Kenneth L C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1983-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1175 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1983 TI - Extension of a reference spectrophotometer into the near infrared: ER -