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100   $a20030910d1973----km-y0itay50------ba
101 0 $aeng
102   $aGB
200 1 $aAssessing the future and policy planning$fWalter A. Hahn and Kenneth F. Gordon
210   $aNew York ; London ; Paris$cGordon and Breach science publishers$d1973
215   $a345 p.$d22 cm
700  1$aHahn,$bWalter A.$0147601
701  1$aGordon,$bKenneth F.$0147602
801  0$aIT$bUNINA$gRICA$2UNIMARC
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952   $aA02.72$b5785$fDECTS
959   $aDECTS
996   $aAssessing the future and policy planning$9515970
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