Wassén, Henry S.
Convergent Approaches to the analysis of hallucinogenis snuff trays. - Suecia-SE : The Ethographical Museum, 1983. - páginas 26-37 : ilustraciones blanco y negro - Irregular - (1983-1984) - Ethnographical Museum, Gothenburg, Sweden ; . - The Ethographical Museum, Gothenburg, Sweden. .
Convergent Approaches to the analysis of hallucinogenis snuff trays. - Suecia-SE : The Ethographical Museum, 1983. - páginas 26-37 : ilustraciones blanco y negro - Irregular - (1983-1984) - Ethnographical Museum, Gothenburg, Sweden ; . - The Ethographical Museum, Gothenburg, Sweden. .
