TY - BOOK AU - Timblin, L. O. Jr. AU - Backstrom, T. E. ED - United States Bureau of Reclamation TI - A study of depassivation of steel in concrete / T2 - Report PY - 1969/// CY - Denver : PB - U.S. Dept. of the Interior, Bureau of Reclamation, Office of Chief Engineer ; [distributed by Clearinghouse for Federal Scientific and Technical Information], KW - ფოლადის კოროზია KW - ბეტონის ტესტირება ER -