STRASER, V. MINERAL HORIZONS, ELECTROMAGNETIC FIELDS AND CIRCULAR SHAPES IN THE GRASS. EQA - International Journal of Environmental Quality, [S. l.], v. 2, n. 2, p. 39–46, 2009. DOI: 10.6092/issn.2281-4485/3820. Disponível em: https://eqa.unibo.it/article/view/3820. Acesso em: 24 sep. 2022.