TY - GEN AU - Taylor, J K AU - Deardorff, E R AU - Durst, R A AU - Maienthal, E J AU - Rains, T C AU - Scheide, E P C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1975-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.75-958 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1975 TI - Simulated precipitation reference materials: ER -