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100   $a20001010d--------km-y0itay50------ba
101 0 $aita
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200 1 $aClass, Codes and Control$fBasil Bernstein
210   $aLondon$cRoutledge & Kegan$d1971.
215   $aXIV, 266 p.$d22 cm
300   $aVol. I: Theoretical Studies Towards a Sociology of Language.
676   $a401.9
700  1$aBernstein,$bBasil B.$0245279
801  0$aIT$bUNINA$gRICA$2UNIMARC
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