Kent, Allen.
Encyclopedia of Library and Information Science Vol-10 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.498 :
0-8247-2110-1
2K / K8.10
Encyclopedia of Library and Information Science Vol-10 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.498 :
0-8247-2110-1
2K / K8.10