refs.bib

@article{tennekes_tmap_2018,
	title = {tmap: {Thematic} {Maps} in {R}},
	volume = {84},
	issn = {1548-7660},
	shorttitle = {tmap},
	url = {http://www.jstatsoft.org/v84/i06/},
	doi = {10.18637/jss.v084.i06},
	language = {en},
	number = {6},
	urldate = {2019-10-22},
	journal = {Journal of Statistical Software},
	author = {Tennekes, Martijn},
	year = {2018}
}

@article{ligges_scatterplot3d_2003,
	title = {scatterplot3d - {An} {R} {Package} for {Visualizing} {Multivariate} {Data}},
	volume = {8},
	issn = {1548-7660},
	url = {http://www.jstatsoft.org/v08/i11/},
	doi = {10.18637/jss.v008.i11},
	language = {en},
	number = {11},
	urldate = {2019-10-22},
	journal = {Journal of Statistical Software},
	author = {Ligges, Uwe and Mächler, Martin},
	year = {2003}
}