D. Saupe, S. Jacob. Variance-based quadtrees in fractal image compression. Electronics Letters, 33(1):46-48, 1997.
@article{SaJa96,
Author = {Saupe, D. and Jacob, S.},
Title = {Variance-based quadtrees in fractal image compression},
Journal = {Electronics Letters},
Volume = {33},
Number = {1},
Pages = {46--48},
Year = {1997}
}