Kent, Allen.
Encyclopedia of Library and Information Science Vol-46 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.428 :
0-8247-2046-6
2K / N1.46
Encyclopedia of Library and Information Science Vol-46 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.428 :
0-8247-2046-6
2K / N1.46