https://biblioscout.net/article/10.25162/historia-2007-0009
https://doi.org/10.25162/historia-2007-0009
https://biblioscout.net/?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=historia&rft.atitle=Caligula%E2%80%99s+Bridge+of+Boats+%E2%80%93+AD+39+or+40%3F&rft.volume=56&rft.issue=1&rft.spage=118&rft.epage=120&rft.issn=0018-2311&rft_id=info:doi/10.25162/historia-2007-0009