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)

Julian, S. R.; Carter, F. V.; Grosche, F. M.; Haselwimmer, R. K. W.; Lister, S. J.; Mathur, N. D.; McMullan, G. J.; Pfleiderer, C.; Saxena, S. S.; Walker, I. R. et al.; Wilson, N. J. W.; Lonzarich, G. G.: Non-Fermin-liquid behaviour in magnetic d- and f-electron systems. Journal of Magnetism and Magnetic Materials 177-181, pp. 265 - 270 (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.: Revision of the Phase Diagram of Superconducting U_1-xTh_xBe₁₃. Physical Review Letters 81 (20), pp. 4476 - 4479 (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)

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)

Mathur, N. D.; Grosche, F. M.; Julian, S. R.; Walker, I. R.; Freye, D. M.; Haselwimmer, R. K. W.; Lonzarich, G. G.: Magnetically mediated superconductivity in heavy fermion compounds. Nature 394, pp. 39 - 43 (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)

Nieuwenhuys, G. J.; Suellow, S.; Menovsky, A. A.; Mydosh, J. A.; Heffner, R. H.; Le, L. P.; MacLaughlin, D. E.; Bernal, O. O.; Schenck, A.: μ⁺SR in the random bond spin glass URh₂Ge₂. Journal of Magnetism and Magnetic Materials 177-181, pp. 803 - 804 (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)

Shiina, R.; Sakai, O.; Shiba, H.; Thalmeier, P.: Interplay of Field-Induced Multipoles in CeB₆. Journal of the Physical Society of Japan 67 (3), pp. 941 - 949 (1998)

Shiina, R.; Shiba, H.; Thalmeier, P.: Magnetic-field effects on quadrupolar ordering in CeB₆. Journal Magnetism and Magnetic Materials 177-181, pp. 303 - 304 (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)

Thalmeier, P.: Field dependence of Nd spin waves in Nd₂CuO₄. Physica B 252, pp. 295 - 303 (1998)

Thalmeier, P.; Fulde, P.: Charge ordering and spin-Peierls transition in α′-NaV₂O₅. Europhysics Letters 44 (2), pp. 242 - 248 (1998)