1 files changed, 34 insertions, 0 deletions
diff --git a/environment.bib b/environment.bib
index 4b7c854..31c67be 100644
--- a/environment.bib
+++ b/environment.bib
@@ -257,3 +257,37 @@
   primaryClass  = {physics.ao-ph},
   url           = {https://arxiv.org/abs/2312.09329},
 }
+
+@article{kessler1978,
+  title   = "Collision Frequency of Artificial Satellites: The Creation of a Debris Belt",
+  author  = "Kessler, Donald and Cour-Palais, Burton G.",
+  year    = "1978",
+  journal = "Journal of Geophysical Research",
+  volume  = "83",
+  number  = "6",
+  url     = "https://web.archive.org/web/20110515132446/http://webpages.charter.net/dkessler/files/Collision%20Frequency.pdf",
+}
+
+@misc{kessler2009,
+  title  = "The Kessler Syndrome - As Discussed by Donald J. Kessler",
+  author = "Kessler, Donald",
+  year   = "2009",
+  url    = "https://web.archive.org/web/20100527195029/http://webpages.charter.net/dkessler/files/KesSym.html",
+}
+
+@misc{david2021,
+  title   = "Space Junk Removal Is Not Going Smoothly",
+  author  = "David, Leonard",
+  year    = "2021",
+  journal = "Scientific American",
+  url     = "https://www.scientificamerican.com/article/space-junk-removal-is-not-going-smoothly/",
+  note    = "Acessado em 19/04/2024",
+}
+
+@misc{kelvey2024,
+  title   = "Understanding the misunderstood Kessler Syndrome",
+  author  = "Jon Kelvey",
+  year    = "2024",
+  url     = "https://aerospaceamerica.aiaa.org/features/understanding-the-misunderstood-kessler-syndrome/",
+  note    = "Acessado em 19/04/2024",
+}