@article{CTT100702170,
  author = {Arnab Sen Gupta and Hirofumi Akamatsu and Megan E. Strayer and Shiming Lei and Toshihiro Kuge and Koji Fujita and Clarina dela Cruz and Atsushi Togo and I. Tanaka and Katsuhisa Tanaka and Thomas E. Mallouk and Venkatraman Gopalan},
  title = {Improper Inversion Symmetry Breaking and Piezoelectricity through Oxygen Octahedral Rotations in Layered Perovskite Family, LiRTiO4 (R = Rare Earths)},
  journal = {Advanced Electronic Materials},
  year = 2015,
}