Erlacher, Daniel, and Michael Schredl. “Do REM (lucid) Dreamed and Executed Actions Share the Same Neural Substrate?”. International Journal of Dream Research 1, no. 1 (March 21, 2008): 7–14. Accessed October 25, 2021. https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/20.