TY - RPRT TI - A Two-Dimensional Grid-Cell Code for Three-Dimensional Navigation in Freely Flying Bats AU - Qi, K. K. AU - Yartsev, M. M. PY - 2026 DO - 10.64898/2026.06.10.728358 UR - https://www.biorxiv.org/content/10.64898/2026.06.10.728358v1 ID - 10.64898/2026.06.10.728358 ER -