@article{Lloyd2012,
author = {Lloyd, C.D. and Pawlowsky-Glahn, V. and Egozcue, J.J.},
title= {Compositional data analysis in population studies},
year = {2012},
doi = {10.1080/00045608.2011.652855},
volume = {102},
number = {6},
pages = {1251‒1266},
}