000 00323nam a2200133Ia 4500
008 201109s9999||||xx |||||||||||||| ||und||
100 _aAgarwal D C
245 0 _aComputer Communication & ISDN Systems
250 _aFIRST
260 _aKhanna
_b1999
_dENGLISH
300 _a308
650 _aComputer Science
942 _cBK
999 _c13358
_d13358