000
00352nam a2200145Ia 4500
020
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0000000000
082
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2788
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001.642
100
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"GANDOFF MARTIN"
245
0
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STUDENTS GUIDE TO DATA COMMUNICATIONS
260
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Heine Mann London
_c
1991
300
_a
459
944
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BK
999
_c
395519
_d
395519