Chapter Hooch + Acetone

Add chapter about a liquid gathering and an acetone smell
from your sourdough.

book/references.bib

@@ -58,7 +58,7 @@
   note         = {Accessed: 2022-04-29}
 }
 
-@article{food-safe-ph,
+@article{food+safe+ph,
   title        = {Acidified Foods: Food Safety Considerations for Food Processors},
   author       = {Felix H. Barron and Angela M. Fraser},
   howpublished = {\url{https://www.intechopen.com/chapters/41654}},
@@ -75,3 +75,17 @@
   year      = {2022}
 }
 
+@article{liquid+on+starter,
+  title        = {Acidified Foods: Food Safety Considerations for Food Processors},
+  author       = {Sourdoughhome},
+  howpublished = {\url{https://www.sourdoughhome.com/what-is-hooch/}},
+  year         = {2020},
+  note         = {Accessed: 2022-04-29}
+}
+
+@article{acetic+acid+production,
+  title        = {Acetic Acid (or Ethanoic acid). The main constituent of vinegar.},
+  author       = {chm.bris.ac.uk},
+  howpublished = {\url{http://www.chm.bris.ac.uk/motm/acetic-acid/acetic-acidjs.htm}},
+  note         = {Accessed: 2022-04-29}
+}