Author not established. Back to basics. Date not established. EHREA archive: /library/documents/doc-8c65f023534730ea6930123b/
[1] Back to basics. Original source: http://www.ehrea.org/yout.php. Preserved original: /library/originals/a5f1ed18bf5d05c3efc618c8124e823ca6161cc5daaa608c3c6a1d4df0caf663.html. SHA-256: a5f1ed18bf5d05c3efc618c8124e823ca6161cc5daaa608c3c6a1d4df0caf663