Roosens, B. (2007). Four early Sixteenth-Century Plans for the Fortifications of Antwerp. architectura.
Lua i Stíl Chicago (17ú heag.)Roosens, Bernhard. "Four Early Sixteenth-Century Plans for the Fortifications of Antwerp." Architectura 2007.
Lua MLA (8ú heag.)Roosens, Bernhard. "Four Early Sixteenth-Century Plans for the Fortifications of Antwerp." Architectura, 2007.
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