Rufo Nieto L., Fuente García V. d. l., Sánchez-Mata D. y Rodriguez-Rojo M. d. P. (2004). Studies on Iberian Peninsula ultramafic flora: a selected nickel accumulation screening. Lazaroa, 25, 161-167. https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0404110161A