00411nam a22001217a 4500020001800000082001300018110006100031245007600092260004800168300001900216650002100235650003300256  a9780309093019  a004  COM  aUSA, National Research Council of the National Academies  aComputer science:bReflections on the field, Reflections from the field  aWashington,bNational Academic Pressc2004.  a194p. ;b20cm.  aComputer Science  aElectronic digital computers