TY - GEN AU - Forziati, Alfonso F C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1961-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.7443 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1961 TI - Dental radiographic film::standards and specification, progress report ER -