From b8681fd206d5b5076b9737ee54f0cb0405a898d6 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Mon, 14 Mar 2022 01:09:08 -0400
Subject: Can now add type-vars to imported procedures from scripting
 languages.

---
 documentation/bookmark/math/geometry/differential.md | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 documentation/bookmark/math/geometry/differential.md

(limited to 'documentation/bookmark/math')

diff --git a/documentation/bookmark/math/geometry/differential.md b/documentation/bookmark/math/geometry/differential.md
new file mode 100644
index 000000000..73c9f465f
--- /dev/null
+++ b/documentation/bookmark/math/geometry/differential.md
@@ -0,0 +1,4 @@
+# Reference
+
+0. [Visual Differential Geometry and Forms: A Mathematical Drama in Five Acts](https://press.princeton.edu/books/hardcover/9780691203690/visual-differential-geometry-and-forms)
+
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