190 In: Fluid Inclusions in Minerals: Methods and Applications Edited by Benedetto De Vivo & Maria Luce Frezzotti Short Course of the Working Group (IMA) „Inclusions in Minerals“ (Pontignano – Siena, 1-4 September 1994) Application of clathrates to fluid inclusion studies Ronald J. Bakker and Régis Thiéry Page 191 – 208.