Autor
Apraiz Barreiro, José
3
Biedermann, A.
2
Hassekieff, L. M.
2
American Foundrymen's Association
1
Delgadillo Patiño, Angélica E.
1
Dietrich, Waldemar F.
1
Duponchelle, J.
1
Durrer, Roberto
1
Gerling, Heinrich
1
Hernández, Rafael
1
Kalpakjian, Serope
1
Lucchesi, Domenico
1
Molera Sola, Pere
1
Osann, Bernhard
1
Rega, Roque
1
Reina Gómez, Manuel
1
Rivas Arias, José María
1
Schmid, Steven R.
1
Shepard, Orson Cutler
1
Sisquella Argila, Juan
1