TY - GEN AU - Powell, R G AU - Randall, E B AU - Horlick, J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.78-1330 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - Collaborative reference program for paper ::Report no. 50S ER -