diff --git a/paper.bib b/paper.bib
index 664fcd3b..21435540 100644
--- a/paper.bib
+++ b/paper.bib
@@ -145,3 +145,31 @@ @article{pfeffermann1999
   url = {http://www.jstor.org/stable/25053074},
   urldate = {2017-03-09}
 }
+
+@article{kraft2022,
+  title = {The Role of Small Airway Dysfunction in Asthma Control and Exacerbations: A Longitudinal, Observational Analysis Using Data from the {{ATLANTIS}} Study},
+  shorttitle = {The Role of Small Airway Dysfunction in Asthma Control and Exacerbations},
+  author = {Kraft, Monica and Richardson, Matthew and Hallmark, Brian and Billheimer, Dean and Van Den Berge, Maarten and Fabbri, Leonardo M and Van Der Molen, Thys and Nicolini, Gabriele and Papi, Alberto and Rabe, Klaus F and Singh, Dave and Brightling, Chris and Siddiqui, Salman and Pizzichini, Emilio and Cukier, Alberto and Stelmach, Rafael and Olivenstein, Ronald and Zhang, Qingling and Badorrek, Philipp and Gessner, Christian and Scichilone, Nicola and Chetta, Alfredo and Paggiaro, Pierluigi and Milleri, Stefano and D'Amato, Mariella and Spanevello, Antonio and Foschino, Maria Pia and Boersma, Willem Germen and Broeders, Marielle and Vroegop, J Sebastiaan and Plaza Moral, Vicente and Djukanovic, Ratko and Usmani, Omar and Schilz, Robert and Martin, Richard and Hanania, Nicola},
+  date = {2022-07},
+  journaltitle = {The Lancet Respiratory Medicine},
+  shortjournal = {The Lancet Respiratory Medicine},
+  volume = {10},
+  number = {7},
+  pages = {661--668},
+  issn = {22132600},
+  doi = {10.1016/S2213-2600(21)00536-1}
+}
+
+@article{kastellec2007,
+  title = {Using Graphs Instead of Tables in Political Science},
+  author = {Kastellec, Jonathan P. and Leoni, Eduardo L.},
+  date = {2007-12},
+  journaltitle = {Perspectives on Politics},
+  volume = {5},
+  number = {4},
+  issn = {1537-5927, 1541-0986},
+  doi = {10.1017/S1537592707072209},
+  annotation = {00199}
+}
+
+
diff --git a/paper.md b/paper.md
index 9ec6c20d..27444fe1 100644
--- a/paper.md
+++ b/paper.md
@@ -54,7 +54,8 @@ as plotted points, and rug plots. Categorical predictors can be plotted as
 bar charts of single points with error bars as well. Finally, `jtools` features
 the function `plot_coefs()` that allows users to plot regression coefficients
 with confidence intervals for one or more models. This is particularly useful
-for comparing nested/related model specifications. Plots are generated with 
+for comparing nested/related model specifications [@kastellec2007]. 
+Plots are generated with 
 `ggplot2` — allowing knowledgeable users to further customize the appearance —
 but do not require the user to know how to use `ggplot2`.
 
@@ -78,7 +79,7 @@ is using third-party packages for computation and simply repackaging the results
 comparable functionality to `summ()` and has some advantages, such as a 
 greater range
 of supported models and more support for exporting to external documents. 
-`marginaleffects` [@marginaleffects], `sjPlot` [@sjplot], and `see` [@see] 
+`marginaleffects` [@marginaleffects], `sjPlot` [@sjPlot], and `see` [@see] 
 offer support for plotting predicted 
 values from fitted regression models and again have some of their own 
 advantages, such as more supported model types. There is also overlap in