Reinvestigation of the stepwise character of the ferroelastic phase transition in lead phosphate-arsenate, Pb3(PO4) 2 -Pb3(AsO4)2 U. Bismayer, E. Salje et C. JoffrinJ. Phys. France, 43 9 (1982) 1379-1388DOI: https://doi.org/10.1051/jphys:019820043090137900
