@inbook{5b96194a514b4f6bbb8386cecd36b219,
title = "A 'secret of empire' (imperii arcanum): an unacknowledged factor in Roman imperial expansion",
author = "Boris Rankov",
year = "2009",
language = "English",
isbn = "9781887829748",
series = "Journal of Roman Archaeology Supplementary Series",
publisher = "Journal of Roman Archaeology",
number = "74",
pages = "163--172",
editor = "Hanson, {W. S.}",
booktitle = "The Army and Frontiers of Rome: Papers offered to David J. Breeze on the occasion of his sixty-fifth birthday and his retirement from Historic Scotland",
}