1. J. M. F. dos Santos and C. A. N. Conde, A comparative study of efficiencies for different detector geometries for source excited EDXRF systems, Nucl. Instr. Meth. A242:563 (1986).
2. C. A. N. Conde and J. M. F. dos Santos, The recessed source geometry for source excited X-ray fluorescence analysis, Adv. X-Ray Anal. 29:545 (1986).
3. A. J. P. L. Policarpo, Charge and scintillation gaseous detectors for low energy X-rays, in: “X-Ray Microscopy,” G. Schumal and D. Rudolph, eds., Springer-Verlag, Berlin (1984).
4. D. G. Simons, P. A. J. de Korte, A. Peacock and J. A. M. Bleeker, Energy resolution limitations in a gas scintillation proportional counter, paper presented at the SPIE-Symposium on X-Ray Instrumentation in Astronomy, Cannes (1985).
5. C. A. N. Conde, L. F. Requicha Ferreira and A. J. A. de Campos, The gas proportional scintillation counter as a room-temperature detector for energy dispersive X-ray fluorescence analysis, Adv. X-Ray Anal. 25:39 (1982).