Kent, Allen.
Encyclopedia of Library and Information Science Vol-27 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.563 :
0-8247-2027-X
2K / K8.27
Encyclopedia of Library and Information Science Vol-27 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.563 :
0-8247-2027-X
2K / K8.27