Krippendorff, Klaus. Content analysis : an introduction to its methodology / Klaus Krippendorff. - 2nd ed. - Thousand Oaks, Calif. : Sage, c2004. - xxiii, 413 p. : ill. ; 26 cm. Includes bibliographical references (p. 365-389) and index. ISBN: 0761915443 (acidfree paper) 0761915451 (pbk. : acidfree paper) LCCN: 2003014200 Subjects--Topical Terms: Content analysis (Communication) LC Class. No.: P93 / .K74 2004 Dewey Class. No.: 401.41 / KRC 2004