TY - BOOK AU - Levin,E.M. AU - Roth,R.S. TI - Polymorphism of Bismuth Sesquioxide. I. Pure Bi2O3 UR - https://drive.google.com/file/d/1wGrXhigSM_1FMvoYEK0uc_S52Z_RGnaC/view?usp=drivesdk ER -