1. An abstract of this work appeared in Applied Spectroscopy 21, 411 (1967), and in XIII Colloquium Spectroscopicum Internationale (Adam Hilger, Ltd., London, 1968), p. 293.
2. Metal Vapours in Flames;Alkemade,1982
3. Tj. Hollander, Thesis, Utrecht, Netherlands (1964).
4. Comparison of line and continuous sources in atomic absorption spectrophotometry