diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/sstdevwd/README.md b/lib/node_modules/@stdlib/stats/base/ndarray/sstdevwd/README.md
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@@ -168,6 +168,19 @@ console.log( v );
+* * *
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+## References
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+- Welford, B. P. 1962. "Note on a Method for Calculating Corrected Sums of Squares and Products." _Technometrics_ 4 (3). Taylor & Francis: 419–20. doi:[10.1080/00401706.1962.10490022][@welford:1962a].
+- van Reeken, A. J. 1968. "Letters to the Editor: Dealing with Neely's Algorithms." _Communications of the ACM_ 11 (3): 149–50. doi:[10.1145/362929.362961][@vanreeken:1968a].
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