With all the discussion around here of thin-film superconductors, Woodward-effect devices, etc., this seemed interesting:
Nonlocal electrodynamics of normal and superconducting films
http://iopscience.iop.org/1367-2630/15/ ... 54CAA19.c1
http://iopscience.iop.org/1367-2630/15/ ... 093001.pdf