Update README.md

README.md

@@ -234,3 +234,16 @@ Please contact josh [at] restor.eco if you have any queries about the dataset, i
 ![Example annotation for image 555]( example_test_annotation_555.jpg)
 _Annotation examples in OAM-TCD (IDs 1594, 2242, 555), all RGB images licensed CC BY-4.0, attribution contributors of OIN)_
 
+### References
+
+[1] Gyri Reiersen, David Dao, Björn Lütjens, Konstantin Klemmer, Xiaoxiang Zhu, and Ce Zhang.449
+Tackling the overestimation of forest carbon with deep learning and aerial imagery. CoRR,450
+abs/2107.11320, 2021.451
+
+[2] Thomas W. Crowther, Stephen M. Thomas, Johan van den Hoogen, Niamh Robmann, Al-452
+fredo Chavarría, Andrew Cottam, et al. Restor: Transparency and connectivity for the global453
+environmental movement. One Earth, 5(5):476–481, 2022.454
+
+[3] Ralph Dubayah, James Bryan Blair, Scott Goetz, Lola Fatoyinbo, Matthew Hansen, et al. The455
+global ecosystem dynamics investigation: High-resolution laser ranging of the earth’s forests456
+and topography. Science of Remote Sensing, 1:100002, June 2020.