Ruocco, I., Cuello, A., Shigemoto, R., &; Ribeiro Da Silva, A. (2001). Light and electron microscopic study of the distribution of substance P-immunoreactive fibers and neurokinin-1 receptors in the skin of the rat lower lip. Journal of Comparative Neurology. Wiley-Blackwell.https://doi.org/10.1002/cne.1114 
LibreCat: https://research-explorer.ista.ac.at/record/2604
DOI: 10.1002/cne.1114
PMID: 11268009

Martínez, G., López Bendito, G., Luján, R., Shigemoto, R., Fairén, A., &; Valdeolmillos, M. (2001). Cajal-Retzius cells in early postnatal mouse cortex selectively express functional metabotropic glutamate receptors. European Journal of Neuroscience. Wiley-Blackwell.https://doi.org/10.1046/j.0953-816X.2001.01494.x 
LibreCat: https://research-explorer.ista.ac.at/record/2606
DOI: 10.1046/j.0953-816X.2001.01494.x
PMID: 11285012

Wagner, U., &; Welzl, E. (2001). A continuous analogue of the Upper Bound Theorem. Discrete &; Computational Geometry. Springer.https://doi.org/10.1007/s00454-001-0028-9 
LibreCat: https://research-explorer.ista.ac.at/record/2419
DOI: 10.1007/s00454-001-0028-9

Hainzl, C., &; Seiringer, R. (2001). A discrete density matrix theory for atoms in strong magnetic fields. Communications in Mathematical Physics. Springer.https://doi.org/10.1007/s002200100373 
LibreCat: https://research-explorer.ista.ac.at/record/2348
DOI: 10.1007/s002200100373
arXiv: math-ph/0010005

Lieb, É., Seiringer, R., &; Yngvason, J. (2001). A rigorous derivation of the Gross-Pitaevskii energy functional for a two-dimensional Bose gas. Communications in Mathematical Physics. Springer.https://doi.org/10.1007/s002200100533 
LibreCat: https://research-explorer.ista.ac.at/record/2347
DOI: 10.1007/s002200100533
arXiv: cond-mat/0005026