added citations

_posts/2021-04-01-air-propulsion-simulation/air-propulsion-simulation.Rmd

@@ -15,6 +15,7 @@ output:
 categories:
   - Julia
   - Capstone
+bibliography: ../../citations.bib
 ---
 
 Boilerplate intro about why all of this was done
@@ -37,7 +38,7 @@ using Measurements
 using Measurements: value, uncertainty
 ```
 
-This code is just the setup the setup, using values scraped from various parts of the world wide web. 
+This code is just the setup, using values scraped from various parts of the world wide web. 
 
 ```{julia}
 # Tank https://www.amazon.com/Empire-Paintball-BASICS-Pressure-Compressed/dp/B07B6M48SR/
@@ -64,7 +65,7 @@ This is the actual simulation. Maybe throw some references in and explain some e
 The rocket equation is pretty sick:
 
 $$T = \dot{m} \cdot v_\text{Exit} + A_\text{Nozzle} \cdot (P - P_\text{Ambient}) $$
-And thats about all you need to get to the moon. 
+And thats about all you need to get to the moon[@curtis_orbital]. 
 
 ```{julia}
 let