1. P. Ray, Z. analyt. Chem.86, 13 (1951).
2. L. Gordon, N. L. Salutzky undH. H. Villard, Precipitation from Homogenic Medium. New York: Wiley. 1959.
3. R. Fischer, Analyt. Chemistry32, 1127 (1960).
4. A. V. Terentew, R. H. Ruchadzem undR. Luterin, Analyt. Chemistry (Russ.)1, 11, 55 (1956).
5. A. E. Nilson, Precipitation with Homogenic Nucleation. London: Pergamon-Press. 1964.