Control of the photon emission in a S.T.M. in air on oil-covered gold surfaces R. Pechou, R. Coratger, C. Girardin, F. Ajustron and J. Beauvillain Eur. Phys. J. AP, 2 2 (1998) 135-138 Published online: 15 May 1998 DOI: 10.1051/epjap:1998175