edited by Lewis M. Alexander
University of Rhode Island, 1968
Buku Teks
edited by Lewis M. Alexander
University of Rhode Island, 1970
Buku Teks
Departement of Information, 1989
Buku Referensi
IFIP, TC8, 1988
Buku Teks
Library of Conggress , 1987
Buku Teks