00648nam0 22002531i 450 99000726395040332120021010000726395FED01000726395(Aleph)000726395FED0100072639520021010d--------km-y0itay50------baitaNot by theory aloneBalabkinss.l.Duncker1988Balabkins,Nicholas234109ITUNINARICAUNIMARCBK990007263950403321XV C 124807 sfXV C 124DTENot by theory alone686043UNINAGEN01