00268nam a2200121Ia 4500082002000000100001600020245002700036260003600063300002000099490001700119500000500136700000500141  a515.1bSa129.SF  aSagan, Hans  aSpace-filling curvesb  aNew YorkbSpringer-Verlagc1994  axv, 193p. Index  aUniversitext  a  a