Wilbanks T M, Ade P A, Fischer M L, Holzapfel W L, Lange A E
Physics Department, University of California Berkeley, California 94720Department of Physics Queen Mary and Westfield College Mile End Road, London E1 4NS, UK.
Ann N Y Acad Sci. 1993 Jun;688:798-800. doi: 10.1111/j.1749-6632.1993.tb43974.x.