por Timoshenko, Stephen, 1878-1972 [autor].
por Weaver, William, 1929- [autor] | Timoshenko, Stephen, 1878-1972 [autor] | Young, Donovan Harold, 1904-1979 [autor].
por Timoshenko, Stephen, 1878-1972 [autor] | Weaver, Williams J, 1929 | Young, Douran Harold, 1904-.