CALPHAD XXVIII will be held at Grenoble, France from May 2nd to the 7th at noon, 1999 At the World Trade Center ATRIA where the NOVOTEL Hotel is located 7, Place Robert Schuman, Europole, F-38000 Grenoble Tel. +33 (0)4 76 70 84 10 , Fax +33 (0)4 76 70 84 20 First Circular Second Circular in Postscript Format Oral Presentation in PDF Format or Postscript Format Poster Presentation in PDF Format or Postscript Format Contact Himo Ansara at iansara@ltpcm.inpg.fr  for more information