Kent, Allen.
Encyclopedia of Library and Information Science Vol-32 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.477 :
0-8247-2032-6
2K / K8.32
Encyclopedia of Library and Information Science Vol-32 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.477 :
0-8247-2032-6
2K / K8.32