Flores, Paulo. editor. Viadero, Fernando. editor. SpringerLink (Online service)

Kraft, James S., author. Washington, Lawrence C., author. Taylor and Francis.

Walker, David, author. Lambert, Martin, author. Leonard, Michael, author. Metcalfe, Andrew, author.

Spiegel, Murray R. Lipschutz, Seymour. Liu, John.

Adzievski, Kuzman, author. Siddiqi, Abul Hasan, author. Taylor and Francis.

van Baal, Pierre, author. Taylor and Francis.

Brubaker, Ben, 1976- Bump, Daniel, 1952- Friedberg, Solomon, 1958-

Zaccarian, Luca. Teel, Andrew R., 1965-

Freeden, W., author.

Magoules, F. (Frederic)

Salas, M. D., author.

Sivaramakrishnan, R., 1936, author.