LEADER 00958nlm 2200289 450 001 996453354003316 005 20220120061315.0 100 $a19981209e19991959 uy| 0 101 0 $aeng 102 $aUK 135 $adrcnu 200 1 $aConservation and the gospel of efficiency$ethe progressive conservation movement, 1890-1920$fSamuel P. Hays 210 1 $aPittsburgh$cUniversity of Pittsburgh Press$d1999 215 $aTesto elettronico (PDF) (297 p.) 230 $aBase dati testuale 606 0 $aConservation of natural resources$zUnited States$xHistory$2BNCF 606 0 $aPolitica ambientale$yStati Uniti d'America$xStoria$2BNCF 676 $a333.720973 700 1$aHAYS,$bSamuel P.$0102888 801 0$bcba$aIT$bcba$gREICAT 801 1$bcba$aIT$bcba$gREICAT 801 2$bcba$aIT$bcba$gREICAT 912 $a996453354003316 959 $aEB 969 $aER 996 $aConservation and the gospel of efficiency$936107 997 $aUNISA LEADER 01604oam 2200481 450 001 9910715925003321 005 20210420152838.0 035 $a(CKB)5470000002516848 035 $a(OCoLC)890699296$z(OCoLC)761141565 035 $a(EXLCZ)995470000002516848 100 $a20140916j196811 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA micro lagoon technique for the culture and observation of isolated mammalian cells /$fby Clarence D. Cone, Jr., and Kathryn H. Peddrew 210 1$aWashington, D.C. :$cNational Aeronautics and Space Administration,$dNovember 1968. 215 $a1 online resource (iii, 23 pages) $cillustrations 225 1 $aNASA/TN ;$vD-4906 300 $a"November 1968." 320 $aIncludes bibliographical references (page 13). 606 $aMonomolecular films$2nasat 606 $aLagoons$2nasat 606 $aCells$2fast 606 $aMonomolecular films$2fast 615 7$aMonomolecular films. 615 7$aLagoons. 615 7$aCells. 615 7$aMonomolecular films. 700 $aCone$b Clarence D.$cJr.,$01393366 702 $aPeddrew$b Kathryn H. 712 02$aUnited States.$bNational Aeronautics and Space Administration, 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910715925003321 996 $aA micro lagoon technique for the culture and observation of isolated mammalian cells$93529324 997 $aUNINA