J.C. Bedrinana, D.C. Peinado, R. Penaloza-Fernandez "Lead Bioaccumulation in Root and Aerial Part of Natural and Cultivated Pastures in Highly Contaminated Soils in Central Andes of Peru", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 126-132 (2020).