LEADER 00912nam0-22003371i-450- 001 990001358980403321 010 $a0-387-94924-0 035 $a000135898 035 $aFED01000135898 035 $a(Aleph)000135898FED01 035 $a000135898 100 $a20000920d1997----km-y0itay50------ba 101 0 $aeng 200 1 $aPi : A source Book$fEdited by Lennart Berggren, Jonathan Borwein, Peter Borwein 210 $aNew York [etc.]$cSpringer-Verlag$d1997 215 $axix, 716 p.$d25 cm 610 0 $aAritmetica 610 0 $aTeoria dei numeri 676 $a512 676 $a513 700 1$aBerggren,$bLennart$059842 702 1$aBorwein,$bJonathan 702 1$aBorwein,$bPeter 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001358980403321 952 $a9-051$b5473$fFI1 959 $aFI1 996 $aPi : A source Book$9375129 997 $aUNINA DB $aING01 LEADER 01765oam 2200445 450 001 9910713555303321 005 20200813113749.0 035 $a(CKB)5470000002502110 035 $a(OCoLC)1155152322 035 $a(EXLCZ)995470000002502110 100 $a20200521d2012 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aImpacts of river visitor spending on the local economy$iDelaware Water Gap National Recreation Area, 2010 /$fPhilip S. Cook 210 1$aFort Collins, Colorado :$cU.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science,$d2012. 215 $a1 online resource (viii, 24 pages) $ccolor illustrations 225 1 $aNatural resource report ;$vNPS/NRSS/EQD/NRR--2012/609 300 $a"NPS 620/119313, December 2012"--Page ii. 300 $a"Experience your America"--Page 4 of cover. 300 $aIncludes tables. 320 $aIncludes bibliographical references (page 15). 606 $aTourism$zDelaware Water Gap National Recreation Area (N.J. and Pa.) 606 $aEnvironmental monitoring$zDelaware Water Gap National Recreation Area (N.J. and Pa.) 607 $aDelaware Water Gap National Recreation Area (N.J. and Pa.) 615 0$aTourism 615 0$aEnvironmental monitoring 700 $aCook$b Philip S.$f1960-$01391292 712 02$aUnited States.$bNational Park Service.$bNatural Resource Stewardship and Science, 801 0$bGPO 801 1$bGPO 801 2$bGPO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910713555303321 996 $aImpacts of river visitor spending on the local economy$93541640 997 $aUNINA