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100   $a20130221d1980    |||||ita|0103    ba
101   $aeng
102   $aUS
200 1 $aProductivity in the united states$etrends and cycles$FJohn W. Kendrick and Elliot S. Grossman
210   $aBaltimore$aLondon$cJohns Hopkins University press$d1980
215   $aX, 172 p.$d23 cm
700  1$aKendrick$b, John W.$3SOBA00006015$4070$0103375
701  1$aGrossman, Elliot S.$3SOBA00006014$4070$0774212
801  0$aIT$bUNISOB$c20130221$gRICA
850   $aUNISOB
852   $aUNISOB$j330$m33742
912   $aSOBE00030556
940   $aM 102 Monografia moderna SBN
941   $aM
957   $a330$b000879$gSI$d33742$1rovito$2UNISOB$3UNISOB$420130221094946.0$520130221095006.0$6rovito
996   $aProductivity in the united states$91715131
997   $aUNISOB