Groenesteijn, K. (1997). Formation of surface coatings on volcanic ejecta at four volcanoes in Costa Rica.
Čikaški stil citiranjaGroenesteijn, K. Formation of Surface Coatings On Volcanic Ejecta At Four Volcanoes in Costa Rica. 1997.
MLA način citiranjaGroenesteijn, K. Formation of Surface Coatings On Volcanic Ejecta At Four Volcanoes in Costa Rica. 1997.
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