Saiz de Omeñaca, J., Ereño, I., Atxabal, K., & Azurmendi, I. (1993). Mitigation of adverse effects at the Lezama-Leguizamon abandoned open-pit mine (Bilbao, northern Spain). Environmental Geology: International Journal of Geosciences, 22(1), 10. https://doi.org/10.1007/bf00775278
Chicago-referens (17:e uppl.)Saiz de Omeñaca, J., I. Ereño, K. Atxabal, och I. Azurmendi. "Mitigation of Adverse Effects at the Lezama-Leguizamon Abandoned Open-pit Mine (Bilbao, Northern Spain)." Environmental Geology: International Journal of Geosciences 22, no. 1 (1993): 10. https://doi.org/10.1007/bf00775278.
MLA-referens (9:e uppl.)Saiz de Omeñaca, J., et al. "Mitigation of Adverse Effects at the Lezama-Leguizamon Abandoned Open-pit Mine (Bilbao, Northern Spain)." Environmental Geology: International Journal of Geosciences, vol. 22, no. 1, 1993, p. 10, https://doi.org/10.1007/bf00775278.
