Tolong jelaskan mengenai Pustaka lanjutan dari Bahasa Galatia

Rance, Philip. “Drungus, Δρουγγος, and Δρουγγιστί: A Gallicism and Continuity in Late Roman Cavalry Tactics.” Phoenix 58, no. 1/2 (2004): 96–130. https://doi.org/10.2307/4135199.