Ellen, David Scientific examination of documents : methods and techniques / David Ellen. - 3rd ed. - Boca Raton, FL : Taylor & Francis, 2006. - xiii, 234 p. : ill. ; 25 cm. - International forensic science and investigation series . Includes bibliographical references and index. ISBN: 0849339251 LCCN: 2005050637 Subjects--Topical Terms: Writing--Identification.Legal documents--Identification. LC Class. No.: HV8074 / .E45 2006 Dewey Class. No.: 363.2565 / ELL/S