1. 6 Best Augmented Reality SDKs and Frameworks, Themindstudios.
https://themindstudios.com/blog/5-best-augmented-reality-sdks-and-frameworks/
. Accessed 01 Feb 2019
2. ARCore Resources
https://developers.google.com/ar/discover/
. Accessed 28 Feb 2019
3. ARKit 2.
https://www.apple.com/newsroom/2018/06/apple-unveils-arkit-2/
. Accessed 01 Feb 2019
4. Gosalia, A.: Experience augmented reality together with new updates to ARCore.
https://www.blog.google/products/arcore/experience-augmented-reality-together-new-updates-arcore/
5. Azuma, R., Baillot, Y., Behringer, R., Feiner, S., Julier, S., MacIntyre, B.: Recent advances in augmented reality. Naval Research Lab Washington DC (2001)