Partial substitution effects on the physical properties of Ba0.67Nd0.22Ti(1-x)SnxO3R. Brahem, H. Rahmouni, N. Farhat, L. C. Costa and K. KhirouniEur. Phys. J. Plus, 130 12 (2015) 245DOI: https://doi.org/10.1140/epjp/i2015-15245-7