Authors: CALVO Miguel

Citation: Calvo Miguel, Bilbao and Barcelona shows 1994, Mineralogical record , 26(2), 1995, pp. 146-146

Authors: CALVO Miguel

Citation: Calvo Miguel, What's new in minerals: Barcelona show 1999, Mineralogical record , 31(3), 2000, pp. 286-286

Authors: CALVO Miguel GARCIA Jose Ramon

Citation: Calvo Miguel et Garcia Jose Ramon, Emerald and associated minerals from a Franqueira, Pontevedra, Spain, Mineralogical record , 28(6), 1997, pp. 497-501