Physical Review D 60 (1999) 054014-1-054014-12.
International Journal of Modern Physics A 14 (1999) 4819-4840.
Reports on Math.Phys. 43 (1999) 109-122.
Nuclear Physics B - Proceedings Supplements 74 (1999) 337-340.
Energy flow and charged particle spectrum in deep inelastic scattering at HERA
Z. Phys. C 63 (1994) 377 - 390
Inclusive charged particle cross-sections in photoproduction at HERA
Phys. Lett. B 328 (1994) 176 - 186
Direct versus resolved photon: An Exercise in factorization
Phys. Lett. B 320 (1994) 186 - 192
Strong renormalization scheme dependence in tau lepton decay: Fact or fiction?
Phys. Lett. B 320 (1994) 359 - 363
Large order estimates in perturbative QCD and nonBorel summable series
Fortschritte der Physik 42 (1994) 665-688.