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)

Kromer, F.; Helfrich, R.; Lang, M.; Steglich, F.; Langhammer, C.; Bach, A.; Michels, T.; Kim, J. S.; Stewart, G. R.: UBe₁₃: Another Phase Transition below T_C? Chinese Journal of Physics 36 (2), pp. 157 - 170 (1998)

Kromer, F.; Helfrich, R.; Lang, M.; Steglich, F.; Langhammer, C.; Bach, A.; Michels, T.; Kim, J. S.; Stewart, G. R.: Revision of the Phase Diagram of Superconducting U_1-xTh_xBe₁₃. Physical Review Letters 81 (20), pp. 4476 - 4479 (1998)

Langhammer, C.; Helfrich, R.; Bach, A.; Kromer, F.; Lang, M.; Michels, T.; Deppe, M.; Steglich, F.; Stewart, G. R.: Evidence for the existence of two variants of UBe₁₃. Journal of Magnetism and Magnetic Materials 177-181, pp. 443 - 444 (1998)

Lemmens, P.; Fischer, M.; Els, G.; Güntherodt, G.; Mishchenko, A. S.; Weiden, M.; Hauptmann, R.; Geibel, C.; Steglich, F.: Magnetic bound states in the quarter-filled ladder system α′-NaV₂O₅. Physical Review B 58 (21), pp. 14159 - 14162 (1998)

Link, A.; Laube, F.; Donnevert, L.; Sparn, G.; Geibel, C.; Steglich, F.: Magnetic to superconducting transition in CeCu₂Si₂ under pressure. Journal of Magnetism and Magnetic Materials 177-181, pp. 401 - 402 (1998)

Naidyuk, Y. G.; Moskalenko, A. V.; Yanson, I. K.; Geibel, C.: Point contact studies of the superconducting gap of CeRu₂. Fizika Nizkih Temperatur 24 (5), pp. 495 - 497 (1998)

Naidyuk, Y. G.; Moskalenko, A. V.; Yanson, I. K.; Geibel, C.: Point contact studies of the superconducting gap of CeRu₂. Low Temperature Physics 24 (5), pp. 374 - 376 (1998)

Palme, P.; Schmidt, S.; Lüthi, B.; Boucher, J. P.; Weiden, M.; Hauptmann, R.; Geibel, C.; Revcolevschi, A.; Dhalenne, G.: High field electron spin resonance experiments on spin-Peierls compounds. Physica B 246-247, pp. 32 - 35 (1998)

Schmidt, S.; Palme, W.; Lüthi, B.; Weiden, M.; Hauptmann, R.; Geibel, C.: Magnetic resonance in the spin-Peierls compound α′-NaV₂O₅. Physical Review B 57 (5), pp. 2687 - 2689 (1998)

Smolinski, H.; Gros, C.; Weber, W.; Peuchert, U.; Roth, G.; Weiden, M.; Geibel, C.: NaV₂O₅ as a Quarter-Filled Ladder Compound. Physical Review Letters 80, pp. 5164 - 5167 (1998)

Steglich, F.; Geibel, C.; Helfrich, R.; Kromer, F.; Lang, M.; Sparn, G.; Gegenwart, P.; Donnevert, L.; Langhammer, C.; Link, A. et al.; Kim, J. S.; Stewart, G. R.: CeCu₂Si₂ And UBe₁₃: New Questions - Old Answers? Journal of Physics and Chemistry of Solids 59 (10-12), pp. 2190 - 2195 (1998)

Trovarelli, O.; Gómez-Berisso, M.; Pedrazzini, P.; Bosse, D.; Geibel, C.; Sereni, J. G.; Steglich, F.: Metallurgic, structural and magnetic properties of Ce(Pd_1-rRh_r)₂Si₂. Journal of Alloys and Compounds 275-277, pp. 569 - 573 (1998)

Vescoli, V.; Degiorgi, L.; Buschinger, B.; Guth, W.; Geibel, C.; Steglich, F.: THE OPTICAL PROPERTIES OF RuSi: KONDO INSULATOR OR CONVENTIONAL SEMICONDUCTOR? Solid State Communications 105 (6), pp. 367 - 370 (1998)

Weiden, M.; Hauptmann, R.; Geibel, C.; Köppen, M.; Müller, J.; Lang, M.; Steglich, F.; Weiden, N.; Fischer, M.; Lemmens, P. et al.; Güntherodt, G.: Magnetic and crystallographic investigations of the inorganic spin-Peierls system α′-NaV₂O₅. Journal of Magnetism and Magnetic Materials 177-181, pp. 743 - 745 (1998)

Winkelmann, H.; Abd-Elmeguid, M. M.; Micklitz, H.; Sanchez, J. P.; Geibel, C.; Steglich, F.: Pressure-Induced Local Moment Magnetism in the Nonmagnetic Heavy Fermion Compound Yb₂Ni₂Al. Physical Review Letters 81 (22), pp. 4947 - 4950 (1998)

Ando, Y.; Boebinger, G. S.; Passner, A.; Wang, N. L.; Geibel, C.; Steglich, F.; Trofimov, I. E.; Balakirev, F. F.: Normal-state Hall effect and the insulating resistivity of high-T_c cuprates at low temperatures. Physical Review B 56 (14), pp. R8530 - R8533 (1997)

Aoki, H.; Ochiai, A.; Suzuki, T.; Helfrich, R.; Steglich, F.: Systematic study in mixed valence system Yb₄(As_1-xSb_x)₃. Physica B 230-232, pp. 698 - 701 (1997)