@articleSchmidt_Seino_2003, title=Pyrrole (NH) and Polypyrrole Functionalized  Silicon Surfaces Calculated from First Principles, volume=10, DOI=10.1142/s0218625x03004901, number=2–3, journal=Surface Review and Letters, author=Schmidt, Wolf Gero and Seino, K., year=2003, pages=221–226 

@articleHahn_Schmidt_2003, title=Surface Ordering of P-rich InP(001): Hydrogen Stabilization vs Electron Correlation, volume=10, DOI=10.1142/s0218625x03004913, number=2–3, journal=Surface Review and Letters, author=Hahn, P. H. and Schmidt, Wolf Gero, year=2003, pages=163–167 

@articleSchmidt_FATTEBERT_BERNHOLC_BECHSTEDT_1999, title=SELF-ENERGY EFFECTS IN THE OPTICAL ANISOTROPY OF GaP(001), volume=6, DOI=10.1142/s0218625x99001281, number=6, journal=Surface Review and Letters, author=Schmidt, Wolf Gero and FATTEBERT, J. L. and BERNHOLC, J. and BECHSTEDT, F., year=1999, pages=1159–1165