Bossi J, Schpilov A. The Arapey group: confining basalts of the Guarani aquifer in Uruguay. Agrocienc Urug [Internet]. 1998 Jun. 1 [cited 2024 May 4];2(1):12-25. Available from: https://agrocienciauruguay.uy/index.php/agrociencia/article/view/1006