TY - JOUR A1 - Beck, Michael A1 - Stiel, H. A1 - Leupold, Dieter A1 - Winter, Bernd A1 - Pop, D. A1 - Vogt, U. A1 - Spitz, Christian T1 - Evaluation of the energetic position of the lowest excited singlet state of ß-carotene by NEXAFS and photoemission spectroscopy Y1 - 2001 ER - TY - JOUR A1 - Spitz, Christian A1 - Dähne, Siegfried A1 - Ouart, Andre A1 - Abraham, Hans-Werner T1 - Proof of Chirality of J-Aggregates Spontaneously and Enantioselectivily Generated from Achiral Dyes Y1 - 2001 ER -