ELECTRON YIELD DETECTORS FOR NEAR SURFACE EXAFS AT ATMOSPHERIC PRESSURE K.I. PANDYA, K. YANG, R.W. HOFFMAN, W.E. O'GRADY et D. E. SAYERS J. Phys. Colloques, 47 C8 (1986) C8-159-C8-162 DOI: 10.1051/jphyscol:1986829