Sacker, Franz-Jurgen, The concept of the relevant product market : between demand-side substitutability and supply-side substitutability in competition law / Franz-Jurgen Sacker. - Frankfurt am Main ; Peter Lang, 2008. - 127 p. ; ISBN: 9783631579343 Subjects--Topical Terms: Antitrust law Dewey Class. No.: 340.11 / Co