Bivariate boxplots based on halfplane depth
			Bron
					
			Wiskundig bekeken: liber amicorum Roger De Groot / Wouwe, van, Martine [edit.]-p. p. 155-161
					
The depth function of a population distribution
			Bron
					
			Metrika : Zeitschrift für theoretische und angewandte Statistik - ISSN 0026-1335-49 (1999) p. 213-244
					
The bagplot: a bivariate boxplot
			Bron
					
			The American statistician - ISSN 0003-1305-53 (1999) p. 382-387
					
Constructing the bivariate Tukey median
			Bron
					
			Statistica Sinica - ISSN 1017-0405-8:3 (1998) p. p. 827-839
					
Computing depth contours of bivariate point clouds
			Bron
					
			Computational statistics and data analysis - ISSN 0167-9473-23 (1996) p. 153-168