Citation: L. Olmi et Wa. Baan, CONFERENCE ON MOLECULAR-SPECTROSCOPY IN THE 1 TO 10 GHZ RANGE WITH THE UPGRADED ARECIBO TELESCOPE - ARECIBO OBSERVATORY OF THE NATIONAL ASTRONOMY AND IONOSPHERE CENTER, PUERTO-RICO - 19-20 OCTOBER 1995 - PREFACE, Astrophysical letters & communications, 37(1-2), 1998, pp. 5-6