Alfred Aschoff, Paul Kremer, Bahram Hashemi, Stefan Kunze (Ekim 1999). "The scientific history of hydrocephalus and its treatment". Neurosurgical Review. 22 (2–3). Springer. ss. 67-93 [67]. doi:10.1007/s101430050035. ISSN1437-2320.KB1 bakım: Birden fazla ad: yazar listesi (link)
Alfred Aschoff, Paul Kremer, Bahram Hashemi, Stefan Kunze (Ekim 1999). "The scientific history of hydrocephalus and its treatment". Neurosurgical Review. 22 (2–3). Springer. ss. 67-93 [67]. doi:10.1007/s101430050035. ISSN1437-2320.KB1 bakım: Birden fazla ad: yazar listesi (link)