LEADER 00661nam0-22002531i-450- 001 990001141230403321 035 $a000114123 035 $aFED01000114123 035 $a(Aleph)000114123FED01 035 $a000114123 100 $a20000920d1969----km-y0itay50------ba 101 0 $aeng 200 1 $a<>Relativite'$fde Couderc 210 $aParis$cPresses Universitaires de France$d1969 225 1 $aQue sais-je?$v37 700 1$aCouderc,$bPaul$040355 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001141230403321 952 $a15-B-31$b10217$fMA1 959 $aMA1 996 $aRelativite$9344134 997 $aUNINA DB $aING01