Add heapsort reference

kgryte · kgryte · commit 29a75dcb1398 · 2020-06-08T17:03:03.000-07:00
diff --git a/docs/references/bib.bib b/docs/references/bib.bib
@@ -2643,3 +2643,20 @@ @article{sedgewick:1986a
 	volume = {7},
 	year = {1986},
 }
+
+@article{williams:1964a,
+	abstract = {},
+	address = {New York, NY, USA},
+	author = {John William Joesph Williams},
+	doi = {10.1145/512274.512284},
+	journal = {Communications of the ACM},
+	keywords = {algorithms, sorting, algorithm, heap, heapsort},
+	month = {jun},
+	number = {6},
+	pages = {347--349},
+	publisher = {Association for Computing Machinery},
+	title = {{Algorithm 232: Heapsort}},
+	url = {https://doi.org/10.1145/512274.512284},
+	volume = {7},
+	year = {1964},
+}
