Underhill, Paco. Why we buy the science of shopping Paco Underhill. - New York Simon & Schuster c2009. - 306 p. 22 cm. Includes index. ISBN: 0684849135 LCCN: 99012125 Subjects--Topical Terms: Marketing researchShopping.Consumer behavior LC Class. No.: HF5415.2 / .U53 1999 Dewey Class. No.: 658.834 / U553w