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Are you David Till, author of the books below?
Teach Yourself Perl 5 in 21 Days by David Till Oval by David Till Sams Teach Yourself Perl 5 for Windows NT in 21 Days by David Till I Got Up and Walked the Te Araroa by David Till 6th Refinement Workshop by David Till Mit dem M.O.B.I.L.I.S.-Programm der Krankenkasse gegen Überge... by David Till Perl 5 by David Till Naturphänomen oder Naturkatastrophe? Ursachen, Entstehung und... by David Till 6th Refinement Workshop by David Till Introduction to Formal Specification and Z by Ben Potter


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