GA3T: A Ground-Aerial Terrain Traversability Dataset for Heterogeneous Robot Teams in Unstructured Environments. - Siwei Cai; Knut Peterson; Quan Tran; Christian Ricks; Dhanush Parthasarathy; Amir Kaidarov; Neil Deshpande; Sukaina Najm; David Han; Lifeng Zhou (CoRR, 2026)