@book{knuth1997art1,
   author = {Donald E. Knuth},
   title = {Fundamental Algorithms},
   series = {The Art of Computer Programming},
   volume = 1,
   publisher = {Addison-Wesley},
   edition = {2nd},
   year = {1997},
}

@book{knuth1997art2,
   author = {Donald E. Knuth},
   title = {Seminumerical Algorithms},
   series = {The Art of Computer Programming},
   volume = 2,
   publisher = {Addison-Wesley},
   edition = {3rd},
   year = 1997,
   isbn = {0201896842},
   url = {http://portal.acm.org/citation.cfm?id=270146},
}

@book{knuth1998art3,
   author = {Donald E. Knuth},
   title = {Sorting and Searching},
   series = {The Art of Computer Programming},
   volume = 3,
   publisher = {Addison-Wesley},
   edition = {2nd},
   year = 1998,
}