TY - GEN AU - Thomas V Gardner AU - John W Kumpula C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1965-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9083 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1965 TI - Application of diffraction gratings to measurement of strain of dental materials::progress report ER -