Citation: Leclaire, A.; Borel, M. M.; Raveau, B.; Mezaoui, D. (1997). Combination of \a-NbOPO~4 type layers with enantiomorphic \a'-type layers: the "racemic structure" of \a-\a'-(Nb~0.787~W~0.213OPO~4~). Zeitschrift fuer Kristallographie (149,1979-), 212, pp. 837-839.
Formula: Nb0.787 O5 P W0.213
Chemical name:Niobium tungsten oxide phosphate(V) (0.79/0.21/1/1) \a-\a'