Previous Article Next Article Table of Contents Nature, Vol.387, No.6632, 35-65, 1997 Export Citation Gazetteer Mewes HW, Albermann K, Bahr M, Frishman D, Gleissner A, Hani J, Heumann K, Kleine K, Maierl A, Oliver SG, Pfeiffer F, Zollner A Please enable JavaScript to view the comments powered by Disqus.