Update ref to buried sterimol (#43)

docs/refs.bib

@@ -1,3 +1,15 @@
+@article{gensch_kraken_2022,
+  title   = {A Comprehensive Discovery Platform for Organophosphorus Ligands for Catalysis},
+  author  = {Gensch, Tobias and {dos Passos Gomes}, Gabriel and Friederich, Pascal and Peters, Ellyn and Gaudin, Th{\'e}ophile and Pollice, Robert and Jorner, Kjell and Nigam, AkshatKumar and {Lindner-D'Addario}, Michael and Sigman, Matthew S. and {Aspuru-Guzik}, Al{\'a}n},
+  year    = {2022},
+  month   = jan,
+  journal = {Journal of the American Chemical Society},
+  volume  = {144},
+  number  = {3},
+  pages   = {1205--1217},
+  doi     = {10.1021/jacs.1c09718}
+}
+
 @article{bilbrey_solid_2013,
   title     = {Exact ligand solid angles},
   author    = {Bilbrey, Jenna A and Kazez, Arianna H and Locklin, Jason and Allen, Wesley D},

docs/sterimol.rst

@@ -159,12 +159,12 @@ to L. B\ :sub:`5` is obtained from the largest projection, while B\ :sub:`1` is
 obtained from the smallest maximum projection for the set of vectors.
 
 Buried Sterimol was developed by Tobias Gensch while working in the group of
-Matthew Sigman at the University of Utah [ref to come]. It is intended to limit
-the Sterimol vectors to a volume of interest in the philosophy of the buried
-volume. The original implementation uses the ``delete`` algorithm. ᴍᴏʀғᴇᴜs uses
-the CRC handbook radii by default instead of the modified Bondi radii in the
-original article, so results with the defualt settings might be slighly
-different.
+Matthew Sigman at the University of Utah :footcite:`gensch_kraken_2022`. It is
+intended to limit the Sterimol vectors to a volume of interest in the
+philosophy of the buried volume. The original implementation uses the
+``delete`` algorithm. ᴍᴏʀғᴇᴜs uses the CRC handbook radii by default instead of
+the modified Bondi radii in the original article, so results with the defualt
+settings might be slighly different.
 
 .. __: https://github.com/bobbypaton/Sterimol