TY - JOUR AU - Burton, Benjamin C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1999-01-15 LA - en M1 - 59 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1999 TI - Simple Empirical Cluster Expansion Hamiltonians for Modeling Cation Order-Disorder in A(B'^d1/3B2/3)O3 Perovskites Such as Pb(Mg1/3Nb2/3)O3 ER -