Tyagi, S. ., Sharma, G. ., & Sathe, V. . (2018). Competition and coexistence of Polar and non-polar states in Sr<sub>1-x</sub>Ca<sub>x</sub>TiO<sub>3</sub>: An investigation using pressure dependent Raman Spectroscopy. Journal of Physics. Condensed Matter : An Institute of Physics Journal. https://doi.org/10.1088/1361-648X/aaa949 (Original work published 2018)