@Inproceedings{ Moharrer16-Allerton,
  author = {A. Moharrer and S. Wei and G. A. Amariucai and J. Deng},
  title = {Synthesis of Gaussian Trees with Correlation Sign Ambiguity: An
Information Theoretic Approach},
  booktitle = {Proc. of 46th Annual Allerton Conference on Communication, 
Control, and Computing (Allerton'16)},
  month = {September 28-30},
  year = {2016},
  pages = {378-384},
  volume = {},
  address = {Urbana, IL, USA}, 
  doi = {10.1109/ALLERTON.2016.7852256} }