Authors:
Windt, M
Gruninger, M
Nunner, T
Knetter, C
Schmidt, KP
Uhrig, GS
Kopp, T
Freimuth, A
Ammerahl, U
Buchner, B
Revcolevschi, A
Citation: M. Windt et al., Observation of two-magnon bound states in the two-leg ladders of (Ca, La)(14)Cu24O41 - art. no. 127002, PHYS REV L, 8712(12), 2001, pp. 7002