Werkman, Casper J. Trademarks: their creation, psychology and perception/ Casper J. Werkman - London: Longman, c1974 - xvi, 496 p.; 23 cm. Includes index ISBN: 0582440084 £ 16.00 Subjects--Topical Terms: TrademarksBusiness namesTrade regulationsBrand name products Dewey Class. No.: 659.12