@article{id_5204, title = "Sonication induced redox reactions of the Ojen (Andalucia, Spain) vermiculite", author = "Juan Poyato, Jose Luis Perez-rodriguez, Veronica Ramirez-valle, Anton Lerf, Friedrich E. Wagner", journal = "Ultrasonics Sonochemistry", volume = "16", year = "2009", url = "http://dx.doi.org/10.1016/j.ultsonch.2008.12.009", }