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100			_aUllman, Jeffrey D
245		0	_aPrinciples of database systems
250			_a2
260			_aNew Delhi
260			_bGalgotia Publications
260			_c1984
300			_avii, 484p. : ill.
500			_aIncludes bibliographical references and index.
650			_aComputer distriuted database systems
650			_aDatabase management systems
650			_aDBMS
942			_cBK
999			_c28123 _d28123