Friction of polytetrafiuoroethylene dry bearings : S. B. Twiss, P. J. Wilson, and E. J. Sydor. Lubrication Engineering, v. 14, no. 6, June 1958, p. 255 + 7 pagesWear1959PDF104 KB
The Kievan Academy in the Seventeenth Centuryby ALEXANDER SYDORENKOGraham · Canadian Slavonic Papers1978PDF257 KB
Alexander Sydorenko. The Kievan Academy in the Seventeenth Century. University of Ottawa Ukrainian Studies, no. 1. Ottawa: The University of Ottawa Press, 1977. Pp. 189.Wynar · Nationalities Papers1979PDF249 KB
The Kievan Academy In The Seventeenth Century. By Alexander Sydorenko. University of Ottawa Ukrainian Studies, no. 1. Ottawa: University of Ottawa Press, 1977. xvi, 194 pp. + 34 pp. plates. Paper.Cracraft · University of Illinois at Urbana-Champaign1979PDF212 KB
Mycelium-Based Composites in Art, Architecture, and Interior DesignMaciej Sydor, Agata Bonenberg, Beata Doczekalska & Grzegorz CoftaPDF5.2 MBEN