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100   $a20000920d1989----km-y0itay50------ba
101 0 $aeng
200 1 $aCategories in computer science and logic$eProceedings of the AMS-IMS-SIAM joint Summer Research Conference held at University of Colorado, Boulder, Colorado, June 14-20, 1987$fby GRAY W., SCEDROV A.
210   $aProvidence (RI)$cAmerican Mathematical Society$d1989.
225 1 $aContemporary mathematics$v92
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
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952   $aC-1-(92$b6468$fMA1
959   $aMA1
996   $aCategories in computer science and logic$9343951
997   $aUNINA
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