. F. (1842).  Sketch of the Analytic Engine Invented by Charles Babbage. Bibliothèque Universelle de Genève. Retrieved on November 7, 2007.↑ Patterson and Hennessy, p. 753.↑ da Cruz, Frank (2003). "Columbia University Computing History: The IBM 704". Columbia University. සම්ප්‍රවේශය 2008-01-08.↑ Parallel Programming, S. Gill, The Computer Journal Vol. 1 #1,pp2-10, British Computer Society, April 1958.↑ Wilson, Gregory V (1994). "The History of the Development of Parallel Computing". Virginia Tech/Norfolk State University, Interactive Learning with a Digital Library in Computer Science. සම්ප්‍රවේශය 2008-01-08.↑ Anthes, Gry (November 19, 2001). "The Power of Parallelism". Computerworld. සම්ප්‍රවේශය 2008-01-08.↑ Patterson and Hennessy, pp. 749–50: "Although successful in pushing several technologies useful in later projects, the ILLIAC IV failed as a computer. Costs escalated from the $8 million estimated in 1966 to $31 million by 1972, despite the construction of only a quar