00323nam a2200121 a 450000500170000002000150001708200150003210000270004724500260007426000480010030000270014870000260017520251203110159.0  a0387947698  a004.1bWIL  aWilliams, Colin P. and  aUltimate zero and one  aNew YorkbCopernicus, Springer-Verlagc1998  axiv, 245p.c23 cm H.B.  aClear water, Scott H.