A process known also as phototype, and in slight variations, as Albertype, Artotype, etc. 
<Context ref.>SAA: Glossary of Archival Terminology. [En línia]. [Consulta: 6 juny 2006]. Disponible a: <http://www.archivists.org/glossary/term_details.asp?DefinitionKey=2482>
<Synomym>albertype