Citation: Vidal, L.; Gramlich, V.; Patarin, J.; Gabelica, Z. (1998). Synthesis and structure of Mu-4, the new layered aluminophosphate [(C~2~H~5~)~2~NH~2~]~4~[Al~8~P~10~O~40~H~2~] · [H~2~O]~2.5~. European Journal of Solid State and Inorganic Chemistry, 35, pp. 545-563.