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2. Jose I. Echevarria , Gregg Wilensky , Aravind Krishnaswamy , Byungmoon Kim , and Diego Gutierrez . 2013 . Computational Simulation of Alternative Photographic Processes. Computer Graphics Forum (Proc. EGSR 2013) 32, 4 (2013). Jose I. Echevarria, Gregg Wilensky, Aravind Krishnaswamy, Byungmoon Kim, and Diego Gutierrez. 2013. Computational Simulation of Alternative Photographic Processes. Computer Graphics Forum (Proc. EGSR 2013) 32, 4 (2013).
3. Jackie Van Fossen and E. 2020. Multi Colored Cyanotypes. https://www.alternativephotography.com/multi-colored-cyanotypes/ Jackie Van Fossen and E. 2020. Multi Colored Cyanotypes. https://www.alternativephotography.com/multi-colored-cyanotypes/
4. Cyanotype Toning
5. A. Greene . 2002 . Primitive Photography: A Guide to Making Cameras, Lenses, and Calotypes . Focal Press . https://books.google.co.jp/books?id=ZMJTAAAAMAAJ A. Greene. 2002. Primitive Photography: A Guide to Making Cameras, Lenses, and Calotypes. Focal Press. https://books.google.co.jp/books?id=ZMJTAAAAMAAJ