@inproceedings{ Huertas-Puerta_GERVILLA_Gwatkin,

author = { Francisco Javier Huertas-Puerta and FERNANDO GERVILLA LINARES and C. Gwatkin } ,

title = { ALTERATION OF ORDOVICIAN BLACK SLATES INDUCED BY PERCOLATING ACID SOLUTIONS IN RETORTILLO-SANTIDAD AREA (SALAMANCA, SPAIN) },

booktitle = { XV International Clay Conference },

year = { 2013 },

pages = { None - None },

location = { RÍO DE JANEIRO (BRASIL) },

}