DOC: Update link to IBM's colormap selection paper#11799

Merged

NelleV merged 2 commits intomatplotlib:masterfrom

saketkc:patch-3

Aug 18, 2018

Commits on Jul 30, 2018

Update link to IBM's colormap selection paper
saketkc
authored

Commits on Aug 18, 2018

DOC refer to DOI for colormap IBM paper.
NelleV
authored