@other{https://authors.library.caltech.edu/records/0wf12-ys237, authors = "Cass, Glen R. and Druzik, James R. and Grosjean, Daniel and Nazaroff, William W. and Whitmore, Paul M. and Wittman, Cynthia L.", title = "Protection of works of art from photochemical smog", publisher = "California Institute of Technology", year = "2010", url = "https://resolver.caltech.edu/CaltechEQL:EQL-R-28", id = "https://authors.library.caltech.edu/records/0wf12-ys237", doi = "10.7907/Z9QV3JGC" } @other{https://authors.library.caltech.edu/records/a0f7v-6jr48, authors = "Cass, Glen and Grosjean, Daniel and Nazaroff, William and Whitmore, Paul and Druzik, James", title = "Protection of works of art from damage due to photochemical smog: progress report through September 1985", publisher = "California Institute of Technology", year = "2009", url = "https://resolver.caltech.edu/CaltechEQL:EQL-M-24", id = "https://authors.library.caltech.edu/records/a0f7v-6jr48", doi = "10.7907/Z9H70CRP" }