1. and in Proceeding of the International Conference on Heavy Metals in the Environment, edited by Vol. 1, p. 240. CEP Consultants, Edinburgh (1991).
2. and in Proceedings of the International Conference on Heavy Metals in the Environment, edited by Vol. 1, p. 235, CEP Consultants, Edinburgh (1991).
3. and in Proceedings of the International Conference on Heavy Metals in the Environment, edited by Vol. 1, p. 601. CEP Consultants, Edinburgh (1991).
4. Background reduction of x-ray fluorescence spectra in a secondary target energy dispersive spectrometer
5. Software for energy-dispersive X-ray fluorescence