TY - JOUR AU - Grey, Ian AU - Mumme, W AU - Vanderah, Terrell AU - Roth, Robert AU - Bougerol-Chaillout, C C2 - Journal of Solid State Chemistry DA - 2007-01-28 LA - en M1 - 180 PB - Journal of Solid State Chemistry PY - 2007 TI - Chemical Twinning of the Pyrochlore Structure in the System Bi2O3-Nb2O5 ER -