From f4b5b4856c0b6abc8791e97d5dce5b5ddc3f660a Mon Sep 17 00:00:00 2001
From: Steve Driscoll <Stephen.driscoll@dal.ca>
Date: Tue, 7 Jan 2020 15:25:44 -0400
Subject: [PATCH] Update README.md

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 README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 57452d7..5ad3a4d 100644
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 Literature
 ----------
 
-1. https://doi.org/10.1016/j.aca.2011.08.006
+1. [Fast and simple methods for the optimization of kurtosis used as a projection pursuit index](https://doi.org/10.1016/j.aca.2011.08.006)
 
-2. https://doi.org/10.1002/cem.2568
+2. [Re‐centered kurtosis as a projection pursuit index for multivariate data analysis](https://doi.org/10.1002/cem.2568)
 
-3. https://doi.org/10.1016/j.aca.2015.03.006
+3. [Procrustes rotation as a diagnostic tool for projection pursuit analysis](https://doi.org/10.1016/j.aca.2015.03.006)