Valero, Antoniovon Spakovsky, MichaelFrangopoulos, CristosTsatsaronis, George2005-08-082005-08-082005-08-08199410.1016/0360-5442(94)90112-0https://infoscience.epfl.ch/handle/20.500.14299/215320CGAM Problem: Definition and Conventional Solutiontext::journal::journal article::research article