Bridges, D. S. Computability : a mathematical sketchbook / Douglas S. Bridges. - New York : Springer-Verlag, c1994. - ix, 178 p. : ill. ; ISBN: 0387941746 (New York : acidfree paper) 3540941746 (Berlin : acidfree paper) Subjects--Index Terms: Computability Universal Decimal Class. No.: 510.5 / BRI