00325cam a2200133ua 4500020000900000041001000009082001800019100002000037245006800057260004000125300001200165365000900177504000500186  c5.65  aengh  a535.6bSTE/NI  aSteinhaus, A  .  aNine colours of the rainbow / cA.Steinhaus.hTextual Documents  aMoscow : bMir publishers , c1966.  a356 ; .  a5.65  a