00725cam a22002171  4500001001300000003000400013005001700017008004100034010001700075035002000092040001800112042001200130050001400142100003200156245012300188260004800311300005100359504004100410650002500451740003100476no 30000005 DLC20260227111852.0830615s1930    enka     b    000 0 eng    ano 30000005   a(OCoLC)10543373  aDLCcMnUdDLC  apremarc00aQC6b.S481 aSilberstein, Ludwik,d1872-14aThe size of the universe :battempts at a determination of the curvature radius of spacetime /cby Ludwik Silberstein.  a[London] :bOxford University Press,c1930.  aviii, 215, [1] p. :btables. diagrs. ;c21 cm.  aIncludes bibliographical foot-notes. 0aRelativity (Physics)0 aUniverse, The size of the.