Montero et al. 1999

Montero P., Salman K., Zinger T., Bea F. Rb-Sr and single-zircon grain ²⁰⁷Pb/²⁰⁶Pb chronology of the Monesterio granodiorite and related migmatites, evidence of a late Cambrian melting event in the Ossa-Morena Zone, Iberian massif // Estudios Geológicos, 1999, V. 55(1-2), pp. 3-8