TY - GEN AU - Sidney H Greenfeld AU - John P Falzone AU - Shigeru Ishihara C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1957-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.5436 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1957 TI - Separation of the water-soluble degradation products of asphalt: ER -