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diff --git a/docs/source/references.rst b/docs/source/references.rst index 3bd200df..22fd96ea 100644 --- a/docs/source/references.rst +++ b/docs/source/references.rst @@ -9,3 +9,4 @@ References .. [Evenden2005] Evenden, G. I., 2005, `libproj4: A Comprehensive Library of Cartographic Projection Functions (Preliminary Draft) <https://github.com/OSGeo/proj.4/blob/master/docs/old/libproj.pdf>`_ +.. [Steers1970] Steers, J.A., 1970, An introduction to the study of map projections (15th ed.): London, Univ. London Press, p. 229 |