LEADER 00804nam0 2200229 450 001 000024203 005 20090310102101.0 010 $a0-8018-1333-6 100 $a20090310d1972----km-y0itay50------ba 101 0 $aeng 102 $aUS$aGB 105 $ay-------001yy 200 1 $a<>economic performance of public investments$ean ex post evaluation of water resources investments$fRobert H. Haveman 210 $aBaltimore$aLondon$cThe Johns Hopkins press$dc1972 215 $a126 p.$dcm 24 500 10$a<>economic performance of public investments$945071 700 1$aHaveman,$bRobert H.$0112694 801 0$aIT$bUNIPARTHENOPE$c20090310$gRICA$2UNIMARC 912 $a000024203 951 $a112/52$b4270$cNAVA2 996 $aEconomic performance of public investments$945071 997 $aUNIPARTHENOPE