photographic processesthree-color processesadditive color processessubtractive color processessalted paper processespigment processeslenticular processesalbumen processaristotypediffusion transfer processdirect positive processesiron processestwo-color processesWothlytypeinterference processesgelatin silver processelectrophotographycollodion processesstabilization processcliché-verrecross processeslight-sensitive reprographic processesphotography and photographic processes and techniquesphotographic processing ." ]]>