LEADER 00919nam0-22003131i-450- 001 990006496190403321 005 20001010 035 $a000649619 035 $aFED01000649619 035 $a(Aleph)000649619FED01 035 $a000649619 100 $a20001010d--------km-y0itay50------ba 101 0 $aita 105 $ay-------001yy 200 1 $aSHIPPING, trade and commerce$eEssays in memory of Ralph Davis$fEdited by P.L. Cottrell and D.H. Aldcroft 210 $aLeicester$cLeicester University Press$d1981. 215 $aX, 200 p.$d23 cm 676 $a330.96 702 1$aAldcroft,$bDerek Howard$f<1936- > 702 1$aCottrell$bP.l. 702 1$aDavis,$bRalph$f<1915-1978> 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990006496190403321 952 $aXIV E 2793$b26439$fFSPBC 959 $aFSPBC 996 $aSHIPPING, trade and commerce$9654384 997 $aUNINA DB $aGEN01 LEADER 01599nam 2200493 450 001 9910818083103321 005 20230801235507.0 010 $a0-16-089745-9 035 $a(CKB)3710000001363135 035 $a(MiAaPQ)EBC4857651 035 $a(Au-PeEL)EBL4857651 035 $a(CaPaEBR)ebr11384007 035 $a(OCoLC)987724418 035 $a(EXLCZ)993710000001363135 100 $a20170605h20122012 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aWhen biospheres collide $ea history of NASA's planetary protection programs /$fby Michael Meltzer 210 1$a[Place of publication not identified] :$cNASA,$d[2012] 210 4$dİ[2012] 215 $a1 online resource (426 pages) $cillustrations (some color) 225 1 $aNASA History Series 311 $a0-16-085327-3 320 $aIncludes bibliographical references at the end of each chapters and index. 410 0$aNASA history series. 606 $aSpace pollution 606 $aSpace environment 606 $aEnvironmental protection$xMoral and ethical aspects 607 $aOuter space$xExploration$xEnvironmental aspects 615 0$aSpace pollution. 615 0$aSpace environment. 615 0$aEnvironmental protection$xMoral and ethical aspects. 676 $a363.739 700 $aMeltzer$b Michael$f1946-$01168265 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910818083103321 996 $aWhen biospheres collide$92720773 997 $aUNINA