From 9657833b115c8a61509295d2296c6f89e81fd219 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Fri, 28 May 2021 15:27:37 +0200
Subject: Improve citations

---
 content/know/concept/wetting/index.pdc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'content/know/concept/wetting/index.pdc')

diff --git a/content/know/concept/wetting/index.pdc b/content/know/concept/wetting/index.pdc
index 2cb7c08..a3e7c1a 100644
--- a/content/know/concept/wetting/index.pdc
+++ b/content/know/concept/wetting/index.pdc
@@ -124,3 +124,10 @@ for example, if one is air, we recover the previous case for rough surfaces.
 Cassie's law can also easily be generalized to three or more materials,
 and to include Wenzel-style roughness ratios $r_1$, $r_2$, etc.
 
+
+
+## References
+1.  T. Bohr,
+    *Continuum physics: lecture notes*, 2021,
+    unpublished.
+
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