Citation: Bezinge, A; Yvon, K; Braun, H F; Muller, J; Nissen, H U (1987). Nd~1+e~ Fe~4~ B~4~: A composition-modulated compound with incommensurate composite crystal structure.. Physical Review, Serie 3. B - Condensed Matter (18,1978-), 36, pp. 1406-1414.