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100   $a20000920d1973----km-y0itay50------ba
101  1$aENG
200 1 $aMathematical Models of Onception and Birth$fMendel Sheps$gJene Menken.
210   $aChicago$cThe University of Chicago Press$d1973.
215   $aXXIII, 428 p.$d24 cm
610 0 $aDemografia, Modelli demografici
700  1$aSheps,$bMendel$0367521
702  1$aMenken,$bJene
801  0$aIT$bUNINA$gRICA$2UNIMARC
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