1. Textile cleaning: simple chemistry and working procedures;Weston;ICCM Bulletin,1980
2. The constitution of detergents in connection with the cleaning of ancient textiles;Hofenk-De Graaff;Studies in Conservation,1968
3. R. Maffei, Extraction and cleaning processes, US Patent 4012194, 1971.
4. [4] D. Cauble, J. De Young, J. McClain, B. Laubach, Pre-treatment methods and compositions for carbon dioxide dry cleaning, US Patent 6491730B1, 2002.
5. B. Laubach, K. Litaker, J. DeYoung, St. Gina, Sizing methods and compositions for carbon dioxide dry cleaning, WO 01/07707A1, 2001.