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100   $a20000920d1993----km-y0itay50------ba
101 0 $aeng
200 1 $aComplexity$eKnots, coulorings and couting$fD. J. A. Welsh.
210   $aCambridge (NY)$cCambridge University Press$dc1993.
215   $aviii, 163 p.$d24 cm
225 1 $aLondon Mathematical Society lecture note series$v186
610 0 $aTeoria dei nodi
610 0 $aTeoria della computazione
676   $a514.224
700  1$aWelsh,$bDominic James Anthony$f<1938- >$0368334
801  0$aIT$bUNINA$gRICA$2UNIMARC
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