Some Layout Problems on the Line with Interdistance Constraints and Costs. - Albert W. Chan; Richard L. Francis (Oper. Res., 1979)

Interactive computer modelling of truck/shovel operations in an open-pit mine. - L. K. Nenonen; Udo Graefe; Albert W. Chan (WSC, 1981)

An Enterprise Model as a Design Tool for Information Infrastructure. - Udo Graefe; Albert W. Chan (DIISM, 1993)