* [https://www.youtube.com/watch?v=PPAaII_5C1o&list=PL01ZfUzDje28iUlc0Ivs5wq7dm4DKIkH_&index=5 SLAM 2021: NGS conference (3:48)] - March 15, 2021 | * [https://www.youtube.com/watch?v=PPAaII_5C1o&list=PL01ZfUzDje28iUlc0Ivs5wq7dm4DKIkH_&index=5 SLAM 2021: NGS conference (3:48)] - March 15, 2021 |