000 00283nam a2200121Ia 4500
008 190516s9999 xx 000 0 und d
100 _aSINGH JATINDER & OTHERS
245 0 _aTEXTBOOK ON COMPUTER NETWORKS
250 _a1
260 _c2010
_bUDH PUBL.
300 _a438
942 _cBK
999 _c17599
_d17599