00357cam a2200145ua 4500020001000000041001000010082002000020100001700040245007200057250001200129260004300141300001200184365001000196504000500206  c17.06  aengh  a604.245bABB/TH  aAbbott, W  .  aTheory and practice of perspective / cW.Abbott.hTextual Documents  a1 / b.  aLondon : bBlackie & Son Ltd , c1950.  a198 ; .  a17.06  a