Kent, Allen.
Encyclopedia of Library and Information Science Vol-16 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.487 :
0-8247-2016-4
2K / K8.16
Encyclopedia of Library and Information Science Vol-16 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.487 :
0-8247-2016-4
2K / K8.16