Herpel, George L. 1921- Specialty advertising : : new dimensions in creative marketing / [electronic resource] / George L. Herpel, Steve Slack.. — Irving, TX : : Specialty Advertising Association International,, 1983.. — xv, 188 p. : : ill. ; 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: Advertising.Marketing.Specialty advertising. LC Class. No.: HF5827 / .H42 1983