[Benz et al. 2010] Benz, D., Hotho, A., Jäschke, R., Stumme, G., Halle, A., Gerlach Sanches Lima, A., Steenweg, H. and Stefani, S.: "Academic Publication Management with PUMA – Collect, Organize and Share Publications" Lalmas, M., Jose, J., Rauber, A., Sebastiani, F. and Frommholz, I., eds.; Research and Advanced Technology for Digital Libraries, Springer Berlin Heidelberg (2010), 417-420.

[Knappen 2009] Knappen, J.: "Schnell ans Ziel mit LaTeX", Oldenburg Wissenschaftsverlag (2009).

[Wegener 1993] Wegener, I.: "BOTTOM-UP-HEAPSORT, a new variant of HEAPSORT beating, on an average, QUICKSORT (if n is not very small)"; Theoretical Computer Science 118 (1)  (1993), 81-98.

[Martin 1971] Martin, W. A.: "Sorting"; ACM Comput. Surv. 3 (4) , ACM, New York, NY, USA (1971), 147--174.

[Hoare 1961] Hoare, C. A. R.: "Algorithm 64: Quicksort."; Commun. ACM 4 (7)  (1961), 321.