[1] A. DasGupta, J. K. Ghosh, and M. M. Zen: 
A new general method for constructing confidence sets in arbitrary dimensions with applications. Ann. Statist. 23 (1995), 1408–1432. 
MR 1353512[2] D. Donoho and M. Gasko: 
Breakdown properties of location estimates based on halfspace depth and projected outlyingness. Ann. Statist. 20 (1992), 1803–1827. 
MR 1193313[3] R. Y. Liu: 
On a notion of data depth based on random simplices. Ann. Statist. 18 (1990), 405–414. 
MR 1041400 | 
Zbl 0701.62063[4] R. Y. Liu, R. Serfling, and D. L. Souvaine (eds.): 
DIMACS; Data Depth: Robust Multivariate Analysis, Computational Geometry and Applications. American Mathematical Society, Providence RI 2006. 
MR 2343124[5] J. Matoušek: 
Computing the center of planar point sets. In: DIMACS; Discrete and Computational Geometry (J. E. Goodman, R. Pollack, and W. Steiger, eds.). American Mathematical Society, 1992. 
MR 1143299[7] P. Rousseeuw and I. Ruts: Algorithm AS307: bivariate location depth. J. Roy. Statist. Soc.-C 45 (1996), 516–526.
[8] J. Tukey: 
Mathematics and picturing data. In: Proc. 1975 International Congress of Mathematics, Vol. 2 (1975), pp. 523–531. 
MR 0426989[9] S. van de Geer: Empirical Processes and M-Estimates. Cambridge, 2000.
[10] Y. Zuo and R. Serfling: 
General notion of statistical depth function. Ann. Statist. 28 (2000), 461–482. 
MR 1790005[11] Y. Zuo and R. Serfling: 
Structural properties and convergence results for contours of sample statistical depth functions. Ann. Statist. 28 (2000), 483–499. 
MR 1790006