"skelton, r a. "
"steel construction and broad flange beams, grey process: / r.a. skelton" - 3 ed. - uk : r. a. skelton 1944. - ", 356p.; 22 cm."
hard cover
--
691. 7 ske
"steel construction and broad flange beams, grey process: / r.a. skelton" - 3 ed. - uk : r. a. skelton 1944. - ", 356p.; 22 cm."
hard cover
--
691. 7 ske