23465 1892 10 RISTIC, Aleksandar Additional Author mixed material Beograd [s.n.] 1934 RISTIC, Svetomir Additional Author mixed material Beograd Rad 1948 uvod u gradnju, proracunavanje i upotrebu rotacionih, klipnih i specijalnih pumpi RITTER, Carl Additional Author Markovic, Draza Additional Author mixed material Beograd Savet za energetiku i ekstraktivnu industriju vlade FNRJ 1951 teorija, proracun, opiti i svajcarski radovi RITTER, M. Additional Author Lardy, P. Additional Author Vuckovic, Mihailo Additional Author mixed material Beograd Naucna knjiga 1951 Spivey, W. Allen Additional Author Thrall, Robert M. Additional Author mixed material New York [etc.] Holt, Rinehart and Winston 0 RIVKIND, Jakov Iosifovic Additional Author mixed material Minsk Ministerstvo vyssego i srednego obrazovanija BSSR 1962 Introductory Theory with Applications ROACH, G.F. Additional Author mixed material London [etc.] Van Nostrand Reinhold Company 1970 The Report of the Road Research Board with the Report of the Director of Road Research mixed material London Her Majesty\'s Stationery Office 1957 The Report of the Road Research Board with the Report of the Director of Road Research mixed material London Her Majesty\'s Stationery Office 1958 The Report of the Road Research Board with the Report of the Director of Road Research mixed material London Her Majesty\'s Stationery Office 1959