add paper

README.md

@@ -59,6 +59,7 @@
 - [Hierarchical Open-Vocabulary 3D Scene Graphs for Language-Grounded Robot Navigation](https://arxiv.org/pdf/2403.17846.pdf)
 - [Learning Quadrupedal High-Speed Running on Uneven Terrain](https://www.mdpi.com/2313-7673/9/1/37)
 - [Learning Risk-Aware Quadrupedal Locomotion using Distributional Reinforcement Learning](https://arxiv.org/abs/2309.14246)
+- [Learning robust autonomous navigation and locomotion for wheeled-legged robots](https://www.science.org/doi/10.1126/scirobotics.adi9641)
 - [Learning to walk in confined spaces using 3D representation](https://arxiv.org/abs/2403.00187)
 - [Legged Robot State Estimation With Invariant Extended Kalman Filter Using Neural Measurement Network](https://arxiv.org/abs/2402.00366)
 - [ManyQuadrupeds: Learning a Single Locomotion Policy for Diverse Quadruped Robots](https://arxiv.org/abs/2310.10486)