Lüdecke, J.; Jobst, A.; van Smaalen, S.; Morré, E.; Geibel, C.; Krane, H.-G.: Acentric Low-Temperature Superstructure of NaV₂O₅. Physical Review Letters 82 (18), pp. 3633 - 3636 (1999)

Müller, J.; Köppen, M.; Lang, M.; Steglich, F.; Trovarelli, O.; Sasaki, T.; Toyota, N.: Field-induced low-temperature anomaly in κ-(D₈-BEDT-TTF)₂Cu(NCS)₂. Synthetic Metals 103, pp. 1889 - 1890 (1999)

Očko, M.; Buschinger, B.; Geibel, C.; Steglich, F.: Behaviour of thermopower at the transition from impurity Kondo towards heavy fermion regime in Ce_xLa_1-xCu_2.05Si₂. Physica B 259-261, pp. 87 - 88 (1999)

Reinert, F.; Claessen, R.; Geibel, C.; Hüfner, S.: Scaling behaviour of Yb4f photoemission spectra with the characteristic temperature. Physica B 259-261, pp. 1128 - 1129 (1999)

Schwenk, H.; Zherlitsyn, S.; Lüthi, B.; Morre, E.; Geibel, C.: Elastic constants and charge ordering in α′-NaV₂O₅. Physical Review B 60 (13), pp. 9194 - 9197 (1999)

Trovarelli, O.; Geibel, C.; Buschinger, B.; Borth, R.; Mederle, S.; Grosche, M.; Sparn, G.; Steglich, F.; Brosch, O.; Donnevert, L.: Magnetic, transport, and thermal properties of Yb₂T₃X₉ compounds (T = Rh, Ir; X = Al, Ga). Physical Review B 60 (2), pp. 1136 - 1143 (1999)

Trovarelli, O.; Geibel, C.; Grosche, M.; Schleser, R.; Borth, R.; Sparn, G.; Steglich, F.: Low-temperature properties of YbCo₂Ge₂. Physica B 259-261, pp. 140 - 141 (1999)

Broderick, S.; Vescoli, V.; Buschinger, B.; Guth, W.; Trovarelli, O.; Weiden, M.; Degiorgi, L.; Geibel, C.; Steglich, F.: THE ZERO-GAP Ce₃Au₃Sb_4-x SYSTEM: A TRANSPORT,THERODYNAMIC AND OPTICAL STUDY. Solid State Communications 108 (7), pp. 463 - 467 (1998)

Buschinger, B.; Trovarelli, O.; Weiden, M.; Geibel, C.; Steglich, F.: Transport and magnetic properties of new ternary Ce₂T₃X₉-compounds (T = Rh, Ir, X = Al, Ga). Journal of Alloys and Compounds 275-277, pp. 633 - 636 (1998)

Buschinger, B.; Weiden, M.; Trovarelli, O.; Hellmann, P.; Geibel, C.; Steglich, F.: Magnetic order in Zr-doped CeNiSn. Journal of Physics: Condensed Matter 10, pp. 2021 - 2027 (1998)

Chatterji, T.; Liß, K. D.; McIntyre, G. J.; Weiden, M.; Hauptmann, R.; Geibel, C.: THE GROUND STATE OF NaV₂O₅. Solid State Communications 108 (1), pp. 23 - 26 (1998)

Donnevert, L.; Hellmann, P.; Thomas, S.; Trovarelli, O.; Geibel, C.; Sparn, G.; Steglich, F.: Development of magnetic order in CeCu₂(Si_1-xGe_x)₂ as a function of hybridization. Journal of Magnetism and Magnetic Materials 177-181, pp. 375 - 376 (1998)

Drescher, K.; Abd-Elmeguid, M. M.; Micklitz, H.; Sanchez, J. P.; Geibel, C.; Steglich, F.: Magnetic frustration in the antiferromagnetic Kondo lattice YbPtAl: Anomalous magnetic behavior at high pressures. Journal of Magnetism and Magnetic Materials 182, pp. L 275 - L 279 (1998)

Dumm, M.; Dressel, M.; Nicklas, M.; Lunkenheimer, P.; Loidl, A.; Weiden, M.; Steglich, F.; Assmann, B.; Homborg, H.; Fulde, P.: Magnetic susceptibility, heat capacity, and optical conductivity of LiPc and LiPcI. European Physical Journal B 6, pp. 317 - 322 (1998)

Fischer, M.; Lemmens, P.; Güntherodt, G.; Weiden, M.; Hauptmann, R.; Geibel, G.; Steglich, F.: Raman scattering on the spin-Peierls compound α′-NaV₂O₅. Physica B 244, pp. 76 - 80 (1998)

Gegenwart, P.; Langhammer, C.; Geibel, C.; Helfrich, R.; Lang, M.; Sparn, G.; Steglich, F.; Horn, R.; Donnevert, L.; Link, A. et al.; Assmus, W.: Breakup of Heavy Fermions on the Brink of "Phase A" in CeCu₂Si₂. Physical Review Letters 81 (7), pp. 1501 - 1504 (1998)

Gloos, K.; Anders, F. B.; Aßmus, W.; Buschinger, B.; Geibel, C.; Kim, J. S.; Menovsky, A. A.; Müller-Reisener, R.; Nuettgens, S.; Schank, C. et al.; Stewart, G. R.; Naidyuk, Y. G.: Lateral-Size Effects and Supercurrent Blockade at Mechanical-Controllable Break Junctions of the Heavy-Fermion Superconductors. Journal of Low Temperature Physics 110 (3/4), pp. 873 - 884 (1998)

Gomez Berisso, M.; Trovarelli, O.; Pedrazzini, P.; Zwicknagl, G.; Geibel, C.; Steglich, F.; Sereni, J. G.: Nonmonotonous evolution of the Kondo temperature in the phase diagram of Ce(Pd_1-xCu_x)₂Si₂. Physical Review B 58 (1), pp. 314 - 321 (1998)

Helfrich, R.; Köppen, M.; Lang, M.; Steglich, F.; Ochiai, A.: New observations concerning the low-temperature properties of the carrier-poor heavy-fermion system Yb₄As₃. Journal of Magnetism and Magnetic Materials 177-181, pp. 309 - 310 (1998)

Köppen, M.; Pankert, D.; Hauptmann, R.; Lang, M.; Weiden, M.; Geibel, C.; Steglich, F.: Interference of a first-order transition with the formation of a spin-Peierls state in α′-NaV₂O₅. Physical Review B 57 (14), pp. 8466 - 8471 (1998)