@article{Ionov1992269, author = "Dmitri A. Ionov and Jochen Hoefs and Karl Hans Wedepohl and Uwe Wiechert", doi = "http://dx.doi.org/10.1016/0012-821X(92)90184-W", issn = "0012-821X", journal = "Earth and Planetary Science Letters ", number = "2–4", pages = "269 - 286", title = "{C}ontent and isotopic composition of sulphur in ultramafic xenoliths from central {A}sia ", url = "http://www.sciencedirect.com/science/article/pii/0012821X9290184W", volume = "111", year = "1992", }