@article{TUW-222566, author = {Hron, Karel and Filzmoser, Peter and Donevska, S and Fiserov{\'a}, Eva}, title = {Covariance-based variable selection for compositional data}, journal = {Mathematical Geosciences}, year = {2013}, volume = {45}, number = {4}, pages = {487--498}, url = {http://link.springer.com/article/10.1007/s11004-013-9450-9}, doi = {10.1007/s11004-013-9450-9} }