More from this Author
Found 2 books by German Sierra

Quantum Groups in Two-Dimensional Physics
by César Gómez, Marti Ruiz-Altaba, German Sierra, P. V. Landshoff (Contribution by), D. R. Nelson (Contribution by), D. W. Sciama (Contribution by), S. Weinberg (Contribution by)

Quantum Electron Liquids and High-Tc Superconductivity
by Jose Gonzalez, Miguel A. Martin-Delgado, German Sierra, Angeles H. Vozmediano