2008DIN ISO 6199:2008-12 Micrographics - Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm - Operating procedures (ISO 6199:2005)
2008DIN ISO 6199:2008 Micrographics - Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm - Operating procedures (ISO 6199:2005)