TY - JOUR A1 - Egozcue, J.J. A1 - Pawlowsky-Glahn, V. A1 - Mateu-Figueras, G. A1 - Barcelo-Vidal, C. T1 - sometric logratio transformations for compositional data analysis Y1 - 2003 DO - 10.1023/A:1023818214614 JF - Mathematical Geology VL - 35 IS - 3 ER -