Criteri di ricerca
Hai eseguito la ricerca con i criteri: Autore "MEYER, Richard F."| Informazioni | |
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Titolo:
Future (The) of small scale mining. First international conference sponsored by the United nations institut for training and research (UNITAR) and the consejo de recursos minerales and secretaria de patrimonio y fomento industrial (SEPAFIN). 26 november - 5 december, 1978 Mexico
Autori:
SEYNES, Philippe de | BARNEA, Joseph | CARMAN, John S. | BLOOME, Michael | MEYER, Richard F. | WEST, Robert | SALAS, Guillermo P. | LEE, Jose Luis | JAMESON, Ramon Gonzalez | GAMBOA, Roberto
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