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020			_a1-56607-980-2
040			_c.
082			_a621.3981 GOR'I
100			_aGoralski, Walter Kessler, G _974888
245			_aIsdn the complete guide to isdn architecture,products and implementation
260			_aUSA _bCTR _c1996
300			_aVII,277
650			_aISDN-INTEGRATED SERVICES DIGITAL NETWORKS _974889
942			_cBK _2ddc
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