Turing, Sara, Alan M. Turing / Sara Turing ; with a foreword by Martin Davis and an afterword by John Turing. - Centenary edition. - xxiv, 169 pages : illustrations; ISBN: 9781107020580 (hardback) Subjects--Topical Terms: Mathematicians--Great Britain--Biography.MATHEMATICS / General. Universal Decimal Class. No.: 51(092) / TUR