By Lieberman, Norman P..
Nueva York : McGraw-Hill, 2008 .
591 p. : 24 cm.
0071496742

By Eaton, Lucien.
New York : McGraw-Hill, 1934 .
405 p. : 23 cm.

By Riegel, Emil Raymond.
New York : Reinhold Publishing Corporation, 1944 .
583 p. : 23 cm.

By Gonzalez del Tanago y Alegría, José.
Madrid : Dossat, 1946 .
2 v. : 24 cm.

By Dubbel, H..
Buenos Aires : Labor, 1946 .
2 t. : 19 cm.