TY - GEN AU - Lederer, P S AU - Hilton, J S C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-654 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - NBS interagency transducer project ::a project report ER -