Citation: Lucas, S.; Caignaert, V.; Hervieu, M.; Michel, C.; Raveau, B. (1992). The layered cuprates Sr2-xLn1+xCu2O6-d: a structure built up from the two limit structures Sr2LnCu2O6 and Sr6Ln3Cu6O17 (Ln=Pr,Y) _cod_database_code 1001506. European Journal of Solid State and Inorganic Chemistry, 29, pp. 399-409.