The depth function of a population distribution

Source
Metrika : Zeitschrift für theoretische und angewandte Statistik - ISSN 0026-1335-49 (1999) p. 213-244

Bivariate boxplots based on halfplane depth

Source
Wiskundig bekeken: liber amicorum Roger De Groot / Wouwe, van, Martine [edit.]-p. p. 155-161

Computing depth contours of bivariate point clouds

Source
Computational statistics and data analysis - ISSN 0167-9473-23 (1996) p. 153-168