1. Edwin A. Abbot, “Fiatland, a Romance of Many Dimensions”, first published in 1884, but still in print in several editions
2. D.C. Tsui, H.L. Stormer and A.C. Gossard, Phys. Rev. Letts., 48: 1559 (1982)
3. See, for example, the semipopular article by G.S. Canright and S.M. Girvin, Science, 247: 1197 (1990)
4. For a recent review, see M. Bawendi, M.L. Steigerwald and L.E. Brus, Ann. Rev. of Physical Chemistry, 41 (1990)
5. D. Heitmann, this workshop