Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.124, No.11, 2438-2439, 2002 DOI10.1021/ja017132s Export Citation Ultrafast bidirectional dihydroazulene/vinylheptafulvene (DHA/VHF) molecular switches: Photochemical ring closure of vinylheptafulvene proven by a two-pulse experiment De Waele V, Schmidhammer U, Mrozek T, Daub J, Eberhard RT Please enable JavaScript to view the comments powered by Disqus.