TY - BOOK TI - Data and computer communications / 9th ed AU - Stallings, William, 1945- SN - 9780131392052 (hc : alk. paper) PB - Prentice Hall PP - Boston : Prentice Hall, c2011. PY - 2011 UR - https://library.korea.ac.kr/detail/?cid=CAT000045634615&ctype=m