https://digital.katalog.queersearch.org/s/katalog/item/64601, https://digital.katalog.queersearch.org/s/katalog/item/65836, and https://digital.katalog.queersearch.org/s/katalog/item/65837, “Pavlovian Conditioning of Sexual Arousal: Parametric and Background Manipulations”, QueerSearch, accessed 16. Juni 2025, https://digital.katalog.queersearch.org/s/katalog/item/59262