1990
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Yves Tardy, « Preface », Sciences Géologiques, bulletins et mémoires, ID : 10670/1.hvf9u8
Tardy Yves. Preface. In: Proceedings of the 9th international Clay Conference, Strasbourg, 1989. Vol V : Industrial applications of clays. Analytical techniques and teaching of clay mineralogy. Strasbourg : Institut de Géologie – Université Louis-Pasteur, 1990. p. 5. (Sciences Géologiques. Mémoire, 89)