From 4134d0a47f2ac94807750c82d3a19064d03b8b73 Mon Sep 17 00:00:00 2001
From: Kristian Evers <kristianevers@gmail.com>
Date: Thu, 21 Dec 2017 16:50:49 +0100
Subject: Deformation operation documented

---
 docs/source/references.rst                             | 5 +++++
 docs/source/usage/operations/transformations/index.rst | 1 +
 2 files changed, 6 insertions(+)

(limited to 'docs/source')

diff --git a/docs/source/references.rst b/docs/source/references.rst
index ad5f16bf..320e401b 100644
--- a/docs/source/references.rst
+++ b/docs/source/references.rst
@@ -60,6 +60,11 @@ References
    `Geodesics on an ellipsoid
    <https://en.wikipedia.org/wiki/Geodesics_on_an_ellipsoid>`_.
 
+.. [Häkli2016] P. Häkli, M. Lidberg, L. Jivall, et al, 2016,
+   `The NKG2008 GPS Campaign - final transformation results and a new common Nordic reference frame
+   <https://doi.org/10.1515/jogs-2016-0001>`_,
+   Journal of Geodetic Science, 6(1).
+
 .. [Helmert1880] F. R. Helmert, 1880,
    `Mathematical and Physical Theories of Higher Geodesy, Vol 1
    <https://doi.org/10.5281/zenodo.32050>`_,
diff --git a/docs/source/usage/operations/transformations/index.rst b/docs/source/usage/operations/transformations/index.rst
index 112d9220..5112ffa2 100644
--- a/docs/source/usage/operations/transformations/index.rst
+++ b/docs/source/usage/operations/transformations/index.rst
@@ -10,6 +10,7 @@ systems are based on different datums.
 .. toctree::
    :maxdepth: 1
 
+   deformation
    helmert
    molodensky
    hgridshift
-- 
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