Secondary emission from synthetic opal infiltrated by colloidal gold and glycine - G. I. Dovbeshko; O. M. Fesenko; V. V. Boyko; V. R. Romanyuk; V. S. Gorelik; V. N. Moiseyenko; V. B. Sobolev; V. V. Shvalagin (Ukrainian Journal of Physics, 2012)