LEADER 00808nam0-22003011i-450- 001 990003182860403321 035 $a000318286 035 $aFED01000318286 035 $a(Aleph)000318286FED01 035 $a000318286 100 $a20000920d1961----km-y0itay50------ba 101 0 $aita 102 $aIT 200 1 $aRiddles in Mathematics$eA Book of Paradoxes$fEugene P. Northrop. 205 $aReprinted with Revision. 210 $aHarmondsworth$cPenguin$d1961. 215 $a240 p.$d18 cm 225 1 $aPelican books$vA478 676 $a11300 702 1$aNorthrop,$bEugene P. 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990003182860403321 952 $a11300 NOR$b020355$fSES 959 $aSES 996 $aRiddles in Mathematics$9452459 997 $aUNINA DB $aING01