TY - JOUR AU - Igor Levin AU - Leonid Bendersky AU - James Cline AU - Robert Roth AU - Terrell Vanderah C2 - Journal of Solid State Chemistry DA - 2000-02-01 LA - en M1 - 150 PB - Journal of Solid State Chemistry PY - 2000 TI - Octahedral Tilting and Cation Ordering in Perovskite-Like Ca4Nb2O9 = 3 Center Dot Ca(Ca1/3Nb2/3)O3 Polymorphs ER -