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by Edited by Seymour Fox , Israel Scheffler , Daniel Marom
by Scheffler, Samuel
by Wallace, R. Jay; Pettit, Philip; Scheffler, Samuel; et al.
by Donaldson, Julia; Scheffler, Axel
by Scheffler, Michael; Colombo, Paolo
by Scheffler, Immo E.
by Harold W. Scheffler