Kent, Allen.
Encyclopedia of Library and Information Science Vol-15 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.496 :
0-8247-2015-6
2K / K8.15
Encyclopedia of Library and Information Science Vol-15 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.496 :
0-8247-2015-6
2K / K8.15