Author not established. 2000\f. Date not established. EHREA archive: /library/documents/doc-86c8d69b5b9141e37574de13/
[1] 2000\f. Original source: http://www.ehrea.org/WP2000.pdf. Preserved original: /library/originals/4a4ab7bc3828f17e4e49b1320b90c9d234dc5bebce7718cd7c0bf3716a44b15d.pdf. SHA-256: 4a4ab7bc3828f17e4e49b1320b90c9d234dc5bebce7718cd7c0bf3716a44b15d