@Book{WS+06, Author = "Willis, N. and Sloane, P. and MacHale, D. and Dispezio, M. and Smith, K. and Gardner, M. and Sole, T. and Marshall, R.", Editor = "Kimble, B.", Year = "2006", Title = "{The World's Biggest Book of Brainteasers & Logic Puzzles}", Publisher = "Sterling Publishing", Comment = "TPTPRef" }