@article{833491, author = {S Robey and Lawrence Hudson and C Eylem and B Eichorn}, title = {Substitution-Induced Midgap States in the Mixed Oxides RxBa1-x TiO3-8 with R=Y, La, and Nd}, year = {1993}, number = {48}, month = {1993-01-01 00:01:00}, publisher = {Phy Rev B}, language = {en}, }