| Note name | Note text |
|---|---|
| :ref:Knuth68 | Knuth, Donald E. The Art of Computer Programming, Volume 1: Fundamental Algorithms, First edition, Addison-Wesley, 1968, ISBN 0-201-03801-3. |
| :ref:Knuth69 | Knuth, Donald E. The Art of Computer Programming, Volume 2: Seminumerical Algorithms, First edition, Addison-Wesley, 1969, ISBN 0-201-03802-1. |
| :ref:Fowler99 | Fowler, Martin; Beck, Kent; Brant, John; Opdyke, William; Roberts, Don. Refactoring: Improving the Design of Existing Code, Addison-Wesley, 1999, ISBN 0-201-48567-2. |