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Bridgland, D. R.; Saville, A.; Sinclair, J. M. (1997). «New evidence for the origin of the Buchan Ridge Gravel, Aberdeenshire». Scottish Journal of Geology. 33 (1): 43–50. Bibcode:1997ScJG...33...43B. doi:10.1144/sjg33010043
Potter, Paul Edwin (1955). «The Petrology and Origin of the Lafayette Gravel: Part 1. Mineralogy and Petrology». The Journal of Geology. 63 (1): 1–38. Bibcode:1955JG.....63....1P. doi:10.1086/626223
de Silva, S. L.; Spagnuolo, M. G.; Bridges, N. T.; Zimbelman, J. R. (1 de novembro de 2013). «Gravel-mantled megaripples of the Argentinean Puna: A model for their origin and growth with implications for Mars». Geological Society of America Bulletin. 125 (11–12): 1912–1929. Bibcode:2013GSAB..125.1912D. doi:10.1130/B30916.1
Bolen, W.P. (2000). «Sand and gravel construction»(PDF). US Geological Survey Minerals Yearbook. Consultado em 26 de julho de 2021. Arquivado do original(PDF) em 20 de outubro de 2021
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Bolen, W.P. (2000). «Sand and gravel construction»(PDF). US Geological Survey Minerals Yearbook. Consultado em 26 de julho de 2021. Arquivado do original(PDF) em 20 de outubro de 2021