Martins V., Yamashita C., Sousa S., Martins P., Laut L., Figueira R., Mahiques M., da Silva E. F., Rocha F. y Alveirinho Dias J. (2011). The response of benthic foraminifera to pollution and environmental stress in Ria de Aveiro (N Portugal). Journal of Iberian Geology, 37(2), 231-243. https://doi.org/10.5209/rev_JIGE.2011.v37.n2.10