Text ( visual ) : unmediated International handbook of violence research / edited by Wilhelm Heitmeyer and John Hagan. -- v. 1 ; v. 2. -- Dordrecht : Kluwer Academic Publishers , c2003. -- 2 v. (xii, 1288 p.) : ill. ; 25 cm. -- Includes bibliographical references and indexes. -- ISBN 1402039808 ; 1402039808 ; (BA8035909X) ; https://ci.nii.ac.jp/ncid/BA8035909X Author Heading(s): Heitmeyer, Wilhelm ; Hagan, John. -- Classification(s): LCC : HM886. -- Subject Heading(s): LCSH : Violence ; LCSH : Violence -- Research -- Handbooks, manuals, etc