Olbrycht, M. J. “Crisis in Parthia (ca. 90-70/69 BC) and Arsakid Coinages: Preliminary Remarks on Numismatic Evidence”. Anabasis. Studia Classica Et Orientalia, vol. 10, Nov. 2019, pp. 49-59, https://journals.ur.edu.pl/anabasis/article/view/10372.