@article{BeckStielLeupoldetal.2001, author = {Beck, Michael and Stiel, H. and Leupold, Dieter and Winter, Bernd and Pop, D. and Vogt, U. and Spitz, Christian}, title = {Evaluation of the energetic position of the lowest excited singlet state of ß-carotene by NEXAFS and photoemission spectroscopy}, year = {2001}, language = {en} } @article{SpitzDaehneOuartetal.2001, author = {Spitz, Christian and D{\"a}hne, Siegfried and Ouart, Andre and Abraham, Hans-Werner}, title = {Proof of Chirality of J-Aggregates Spontaneously and Enantioselectivily Generated from Achiral Dyes}, year = {2001}, language = {en} }