1.   A paper detailing their discovery is to be presented at a technical conference in May.

2.   A paper detailing the discovery has been accepted for publication in a upcoming issue of Astrophysical Journal Letters.

3.   The cover story details the discovery of ancient Roman ships near the Leaning Tower of Pisa, in the Tuscany region of Italy.

4.   The discovery is detailed in Nature.

5.   A report detailing the discovery will be published in July in the journal Marine Mammal Science.

6.   Beers and others wrote a paper detailing the discovery, which was recently accepted by the Astrophysical Journal.

7.   Murphy declined to be interviewed, instead supplying a written narrative detailing his discovery.