@misc{indiciaef9f15857ecd2, title = {Singularity and Nonnormality in the Classification of Compositional Data}, author = {Geoffrey C. Bohling and J.C. Davis and Ricardo A. Olea and Jan Harff}, year = {1998}, doi = {10.1023/a:1021705120065}, url = {https://pubs.usgs.gov/publication/70020485}, note = {Source identifier: 70020485} }