U

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Comment: Full text: http://www.ostia-antica.org/fulltext/ulrich/ulrich-1996.pdf. About the use of wood in floors of multistoried buildings. Examination of the traces of mezzanine floors in tabernae at Pompeii, Herculaneum and Ostia.
Ulrich, R.B. 2014, "Courtyard architecture in the insulae of Ostia antica", A companion to Roman architecture, 324-341, London.
Underwood D. 2013, "Reuse as archaeology: a test case for late antique building chronologies in Ostia", Field Methods and Post-Excavation Techniques in Late Antique Archaeology (L. Lavan - M. Mulryan edd.), 383-409, Leiden.
Comment: Full text: https://www.academia.edu/5851060.
Urbanus J. 2015, "Rome's Imperial Port", Archaeology 68,2, 26-33.
Comment: Full text: https://www.jstor.org/stable/24364679.
Utz G. 2023, "The fate of the economic networks of the port cities Portus, Marseille and Arles in the fifth century", Antiquite tardive 31, 217-228.