000 00308nam a2200121Ia 4500
008 160214s9999 xx 000 0 und d
041 _aENG
100 _aHancock, Bill
245 _aNetwork concepts and architectures
260 _c1990
_aNew Delhi
_bBPB Publications
300 _av, 223p.
942 _2udc
_cBK
999 _c30362
_d30362