por Beer, Ferdinand P [colaborador] | Murrieta Murrieta, Jesús Elmer [Traductor].
por Beer, Ferdinand P [autor] | Johnston, E. Russell [autor] | Dewolf, John T [autor] | Mazurek, David F [autor] | Murrieta Murrieta, Jesús Elmer [Traductor] | Navarro, Rodolfo [traductor] | Beer, Ferdinand P. Mechanics of materials.