TY - GEN AU - R Schaffer AU - R A Velapoldi AU - D J Reeder C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.79-1798 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Final report ::FDA contract no. 74-58(0) : October 1978 to March 1979 ER -