%% -*-BibTeX-*- @Book{GareyJohnson1979, author = "M.~R. Garey and D.~S. Johnson", title = "Computers and Intractability: {A} Guide to the Theory of {NP}-Completeness", publisher = "W.~H. Freeman and Company", address = "New York", year = "1979", annote = "Complexity Theory", }