Scientific journal publication Youngest Toba Tuff in the Son Valley, India: a weak and discontinuous stratigraphic marker. Gatti, E.; Durant, A.J.; Gibbard, P.L.; Oppenheimer, C. Publication details Journal: Quaternary Sci. Rev., 30, 3925–3934, 2011 DOI: 10.1016/j.quascirev.2011.10.008