Vine, E.; Lee, E.; Clear, R.; DiBartolomeo, D. & Selkowitz, S. Office worker response to an automated venetian blind and electric lighting system: A pilot study, report, March 1998; (https://digital.library.unt.edu/ark:/67531/metadc711719/m1/1/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .