TY - JOUR AU - Winnie Wong-Ng AU - James A. AU - J Dillingham C2 - Powder Diffraction DA - 2001-09-01 LA - en M1 - 16 PB - Powder Diffraction PY - 2001 TI - Crystallographic Studies and X-Ray Diffraction Patterns of Ba5R8Zn4O21 by Rietveld Refinements ER -