Kent, Allen.
Encyclopedia of Library and Information Science Vol-11 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.500 :
0-8247-2011-3
2K / K8.11
Encyclopedia of Library and Information Science Vol-11 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.500 :
0-8247-2011-3
2K / K8.11