01486nam 2200421Ia 450 991071128520332120180711120949.0GOVPUB-C13-c44a1e473cdab6b25a7d6636fc7bda02(CKB)5470000002481166(OCoLC)957470517(OCoLC)995470000002481166(EXLCZ)99547000000248116620160829d1956 ua 0engtxtrdacontentcrdamediacrrdacarrierThe chemical changes occurring during the degradation of two coating asphalts /Sidney H. GreenfeldGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1956.1 online resourceNBS report ;48611956.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.AsphaltDeteriorationAsphaltDeterioration.Greenfeld Sidney H1387658Greenfeld Sidney H1387658United States.National Bureau of Standards.NBSNBSOCLCOOCLCQBOOK9910711285203321The chemical changes occurring during the degradation of two coating asphalts3501678UNINA