TY - BOOK ID - 138239721 TI - The application of x-ray projection microscopy to roofing asphalt systems AU - Greenfeld, Sidney H. AU - United States. PY - 1962 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat KW - Asphalt KW - X-ray microscopes KW - Testing. KW - Testing. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138239721 AB - ER -