@BOOK{TAOCP2,
   crossref = {TAOCP},
   title = {Seminumerical Algorithms},
   volume = 2,
   series = {The Art of Computer Programming},
   edition = 2,
   date = 1981,
}
@BOOK{TAOCP,
   author = {Donald E. Knuth},
   publisher = {Addison-Wesley},
   title = {The Art of Computer Programming},
   series = {7~Bände},
   date = 1968,
}
