The Washington Post. 26 July 2007 [28 July 2018]. (原始内容存档于2023-04-10). Perlman, David. Benjamin Libet - neurophysiologist studied the nature of free will
(PDF)存档于2022-05-20) (英语). 引文格式1维护:显式使用等标签 (link) Hebbar SK, Belcher SM, Perlman PS. A maturase-encoding group IIA intron of yeast mitochondria self-splices