00488nam a2200205Ia 450000500170000000800460001702000180006303700100008104000080009104000080009904000080010704100080011504100080012308400080013124500320013926000320017126000090020365000210021285600490023320260306150626.0008  260114s9999    xx            000 0 eng d  a9780226283494  aEbook  aCRL  beng  cCRL  2eng  aeng  qCRL 0aThree Steps to the Universe  bUniversity of Chicago Press  c2008  aGeneral Interest  uhttps://www.degruyter.com/isbn/9780226283494