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@@ -215,6 +215,20 @@
Url = {https://archive.org/details/DTIC_ADA026294}
}
+@techreport{Poder1998,
+ author = {Knud Poder and Karsten Engsager},
+ year = {1998},
+ title = {Some Conformal Mappings and Transformations for Geodesy
+ and Topographic Cartography},
+ address = {Copenhagen, Denmark},
+ institution = {National Survey and Cadastre},
+ type = {National Survey and Cadastre Publications},
+ series = {4},
+ volume = {6},
+ isbn = {87-7866-085-8},
+ pages = {63}
+}
+
@Article{Patterson2015,
Title = {Introducing the Patterson Cylindrical Projection},
Author = {Tom Patterson, Bojan Šavrič, Bernhard Jenny},
@@ -225,6 +239,13 @@
Doi = {10.14714/CP78.1270}
}
+@Misc{Rittri2012,
+ author = {Mikael Rittri},
+ title = {New omerc approximations of Denmark System 34},
+ year = {2012},
+ url = {https://lists.osgeo.org/pipermail/proj/2012-June/005926.html}
+}
+
@article{Ruffhead2016,
author = {A. C. Ruffhead},
title = {Introduction to multiple regression equations in datum transformations and their reversibility},