TY - JOUR A1 - Grüninger, Markus A1 - Windt, Marco A1 - Nunner, Tamara A1 - Knetter, C. A1 - Schmidt, K. P. A1 - Uhrig, G. S. A1 - Kopp, Thilo A1 - Freimuth, A. A1 - Ammerahl, U. A1 - Büchner, B. A1 - Revcolevschi, A. T1 - Optical spectroscopy of (La, Ca)(14)Cu24O41 spin ladders: comparison of experiment and theory T2 - Physica B: Condensed Matter Y1 - 2002 UR - https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/30614 VL - 312-313 SP - 617 EP - 618 ER -