Wassén, S. Henry.
Anthropological survey of the use of south american snuffs. - Washington-US : Public health service, 1967. - páginas 223-289 : Ilustraciones blanco y negro - Irregular - (1967) - Ethnopharmacologic anthropological survey of the use of south american snuff.Separata . - Public health service. .
Anthropological survey of the use of south american snuffs. - Washington-US : Public health service, 1967. - páginas 223-289 : Ilustraciones blanco y negro - Irregular - (1967) - Ethnopharmacologic anthropological survey of the use of south american snuff.Separata . - Public health service. .
