Callin, Sabrina C. Portable alpha theory and practice : what investors really need to know / Sabrina Callin - Hoboken, N.J. : Wiley, c2008 - 319 p. : ill. - Wiley finance . Includes bibliographical references and index ISBN: 9780470118085 Subjects--Topical Terms: Portfolio managementInvestments LC Class. No.: HG4529.5 / C344P