G. J. Boekschoten, P. Buurman, and L. P. van Reeuwijk. 1983. “Zeolites and Palygorskite As Weathering Products of Pillow Lava Curaçao”. Netherlands Journal of Geosciences, January, 409-15. https://njgjournal.nl/index.php/njg/article/view/13401.