000 00289nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJ K Sharma
245 _aTopology
250 _a1st
260 _bMeerut:krishna pub
_c2000
300 _a464p.
650 _aComputer
999 _c115
_d115