Siedel, George J. Proactive law for managers : a hidden source of competitive advantage / George Siedel and Helena Haapio. - Burlington, VT : Gower Publishing, 2011. - xix, 172 p. : ill., ; 25 cm. Includes bibliographical references and index. ISBN: 9781409401001 (hardback : alk. paper) RM214.41 9781409401018 (ebook) Subjects--Topical Terms: Business law--United States.Industrial management--United States.Competition--United States.