Kent, Allen.
Encyclopedia of Library and Information Science Vol-45 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.420 :
0-8247-2045-8
2K / N0.45
Encyclopedia of Library and Information Science Vol-45 / - First Ed. / - New York-10016 : Marcel Dekker, Inc.. - p.420 :
0-8247-2045-8
2K / N0.45