@article{articled5f8b2de,
title   = {Global patterns of tectonic stress},
author = {Zoback, M L and Zoback, M D and Adams, J and Assumpção, Marcelo Sousa de and Bell, S and Bereman, E A and Blumiing, P and Bereton, N R and Denham, D and Ding, J and Fuchs, K and Gay, N},
year = {1989},
doi = {10.1038/341291a0},
journal   = {Nature}
}