by Biehler, Gernot.
by Raulerson, Peter | Malraison, Jean-Claude | Leboyer, Antoine.
by Kardaun, Otto J. W. F.
by Schöbel, Anita.
by Geunes, Joseph | Pardalos, Panos M.
by Kant, Shashi | Berry, R. Albert.
by Fields, Gary.
by Mcgee, Robert W.