Kent, Allen.
Encyclopedia of Library and Information Science Vol-35 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.637 :
0-8247-2035-0
2K / K8.35
Encyclopedia of Library and Information Science Vol-35 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.637 :
0-8247-2035-0
2K / K8.35