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1.- GEOLOGICAL SOURCES OF FELDSPATHIC MATERIALS FOR THE CERAMIC INDUSTRY IN PORTUGAL [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000 BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME Ver registro
2.- NATURAL STONES; ABOUT THE DEVELOPMENT OF THE PRODUCTIVE ACTIVITY IN PORTUGAL [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000 BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME Ver registro
3.- ROCHAS ORNAMENTAIS SILICATADAS DE PORTUGAL. GRANITOS E ROCHAS AFINS: CARACTERISTICAS GERAIS 1997 Ver registro
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