Kent, Allen.
Encyclopedia of Library and Information Science Vol-5 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.682 :
4-0-8247-2004-0
2K / K8.5
Encyclopedia of Library and Information Science Vol-5 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.682 :
4-0-8247-2004-0
2K / K8.5