TY - GEN AU - P S Lederer AU - J S Hilten C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.76-1038 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - NBS interagency transducer project ::Progress report no. 3 ER -