Twentieth Colloquium on High Resolution Molecular Spectroscopy.

Information about several papers discussed at the Twentieth Colloquium on High Resolution Molecular Spectroscopy conference that was held in Dijon, France is presented. Topics include the minisymposium on spectroscopy, fundamental physics and the presentation of the brand-new third edition of the green book, which has a tradition for publishing scientific papers in molecular physics. The author says that many of the significant researchers are regularly presented during the conference.