TY - BOOK AU - Brewster,R.L. TI - ISDN technology SN - 0412431807 AV - TK5103.7 .B73 1993 U1 - 384 20 PY - 1993/// CY - London, New York PB - Chapman & Hall KW - Integrated services digital networks N1 - Includes bibliographical references (p. [123]) and index UR - http://www.loc.gov/catdir/enhancements/fy0823/92038821-d.html UR - http://www.loc.gov/catdir/enhancements/fy0823/92038821-t.html ER -