000 00264nam a2200121Ia 4500
008 161008s9999 xx 000 0 und d
100 _aHUSAIN A
245 _aNETWORK AND SYSTEMS
250 _a2ND
260 _bKHANNA BOOKS
_c2010
300 _a1140
942 _cBK
999 _c42473
_d42473