Underwater archaeological investigations of a shipwreck near the Eemshaven, municipality Eemsmond, (Gr.) / J.B.Hielkema ; with contributions by G.M.A. Bergsma & G.J. de Roller ; [ill. L. de Jong ... et al. ; ed. A. Ufkes ; co-ordinating ed. J. Schoneveld]

Underwater archaeological investigations of a shipwreck near the Eemshaven, municipality Eemsmond, (Gr.) / J.B.Hielkema ; with contributions by G.M.A. Bergsma & G.J. de Roller ; [ill. L. de Jong ... et al. ; ed. A. Ufkes ; co-ordinating ed. J. Schoneveld]