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008 181012s9999 xx 000 0 und d
020 _a9788120328464
082 _a004.6 PRA
100 _aPRAKASH GUPTA C
245 0 _aDATA COMMUNICATIONS AND COMPUTER NETWORKS
260 _bPHI
260 _c2009
300 _a800 P
365 _b450.00
650 _aCOMPUTER SCIENCE
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999 _c30063
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