Author not established. 33rd Anniversary of ELF First Congress.. Date not established. EHREA archive: /library/documents/doc-b3dc40bf853d7888d889b3cd/
[1] 33rd Anniversary of ELF First Congress.. Original source: http://www.ehrea.org/FIRSTCongress.htm. Preserved original: /library/originals/fb31581932a31a1b9b039515838ed42fe567e6088d9df0689634dc252fd8217d.html. SHA-256: fb31581932a31a1b9b039515838ed42fe567e6088d9df0689634dc252fd8217d