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1.- CRISTALCHEMISTRY OF "PINK CLAYS" FROM THE TERTIARY MADRID BASIN. ITS RELATIONSHIP WITH THE SEPIOLITE OCCURRENCE
 SEVILLA, 1987
MEETING OF THE EUROPEAN CLAY GROUPS. 6/1987-09-07/SEVILLA
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2.- ETUDE DE ROCHES ARGILEUSES DE LA REGION D'ALTEA (ESPAGNE)
1987
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