@article{759251,
  author = {J. Harnett and M. Tobar and A. Mann and E. Invanov and Jerzy Krupka and Richard Geyer},
  title = {Frequency-Temperature Compensation in Ti<sup>3+</sup> and Ti<sup>4+</sup> Doped Sapphire Whispering Gallery Mode Resonators},
  year = {1999},
  number = {46},
  month = {1999-07-01 00:07:00},
  publisher = {IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control},
  language = {en},
}