@inproceedings{320,
  author = {Paul Fieguth and MR Allen and MJ Murray},
  title = {Hierarchical methods for global-scale estimation problems},
  year = {1998},
  journal = {Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No. 98TH8341)},
  volume = {1},
  pages = {161-164},
  publisher = {IEEE},
}