The business guide to the UNIX system /

by Yates, Jean L., Emerson, Sandra L., 1947-
Published 1984

The business guide to the XENIX system /

by Yates, Jean L.,, Emerson, Sandra L., 1947-, Basham, Candice,
Published 1984

Advanced programmer's guide to UNIX system V /

by Thomas, Rebecca.
Published 1986