TY - BOOK AU - Hancock,Bill TI - Network concepts and architectures SN - 0894352709 (alk. paper) : AV - TK5105.5 .H36 1989 U1 - 004.6 19 PY - 1989/// CY - Wellesley, Mass. PB - QED Information Sciences KW - Computer networks KW - Computer network architectures ER -