Kent, Allen.
Encyclopedia of Library and Information Science Vol-40 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.402 :
0-8247-2040-7
2K / K8.40;1
Encyclopedia of Library and Information Science Vol-40 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.402 :
0-8247-2040-7
2K / K8.40;1