@PHDTHESIS{Rabu1990, url = " http://www.theses.fr/1990NANT2027", title = "Etude cristallochimique des composes a structure composite incommensurable (lns)#nnbs#2 (ln : yttrium, elements terre-rare)", author = "Rabu, Pierre", year = "1990", note = "Thèse de doctorat dirigée par Rouxel, Jean Physique Nantes 1990", note = "1990NANT2027", }