000 00271nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aBLACK, U.
245 0 _aCOMPUTER NETWORK PROTOCOL,STANDARDS & INTERFACE
260 _aDELHI
_bPHI
_c1997
300 _a436
942 _2ddc
999 _c67040
_d67040