000			00628nam a2200241Ia 4500
008			160330s9999||||xx |||||||||||||| ||und||
020			_a0-07-112662-7 _c _16.95
040			_aCentral Library-NITS
041			_aEnglish
082			_a004.69 _bKES
100			_aKessler, Gary C.
245			_aISDN : concepts,facilities and services _cby Gary C. Kessler
250			_ana
260			_aNew York _bMcGraw- Hill _cc1990
300			_axvi, 302p. :ill.
504			_aIncludes index.
521			_bna
650			_aComputer science
650			_aData communication
650			_aProtocol
650			_aSignaling system
942			_cBK
999			_c6476 _d6476