Kent, Allen.
Encyclopedia of Library and Information Science Vol-31 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.474 :
0-8247-2031-8
2K / K8.31
Encyclopedia of Library and Information Science Vol-31 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.474 :
0-8247-2031-8
2K / K8.31