Stewart SA, Allen PJ (2002). „A 20-km-diameter multi-ringed impact structure in the North Sea” (angol nyelven). Nature418 (6897), 520–3. o. DOI:10.1038/nature00914. PMID12152076.
Underhill JR (2004). „Earth science: an alternative origin for the 'Silverpit crater'” (angol nyelven). Nature428 (6980), 280. o. DOI:10.1038/nature02476. PMID15029895.
Stewart SA, Allen PJ (2002). „A 20-km-diameter multi-ringed impact structure in the North Sea” (angol nyelven). Nature418 (6897), 520–3. o. DOI:10.1038/nature00914. PMID12152076.
Underhill JR (2004). „Earth science: an alternative origin for the 'Silverpit crater'” (angol nyelven). Nature428 (6980), 280. o. DOI:10.1038/nature02476. PMID15029895.