@article{oai:tsukuba.repo.nii.ac.jp:00025323, author = {Arrizabalaga, y Prado Leonardo de}, journal = {筑波大学地域研究, Area studies Tsukuba}, month = {Feb}, pages = {15--67}, title = {In Varium Heliogabalum imperium conlatum est (HA/AH 1.4) : the Roman imperial succession of a.u.c. 971 = A.D.218}, volume = {24}, year = {2005} }