1. Silva-Hutner, M.; Cooper, B. H. Yeasts of medical importance. Lennette, E. H.; Balows, A.; Hausler, W. J., Jr., eds. Manual of clinical microbiology, 3rd ed. Washington, D.C.: American Society of Microbiologists, 1980: 567–576.
2. Reardon, E. M.; Price, C. A.; Guillard, R. R. L. Harvesting of marine microalgae by centrifugation in density gradients of Percoll. Cell populations, methodological surveys (b). Reid, E. ed. Biochemistry. vol. 9. Chichester, West Sussex, UK: Ellis Horwood Ltd.; 1979.
3. Wolf, D. S. The separation of cells and subcellular particles by colloidal silica density centrifugation. Prescott, D. M. ed. Methods in cell biology. vol. 10. New York: Academic Press; 1975: 85–104.
4. Pertoft, H.; Laurent, T. C. Isopycnic separation of cells and cell organelles by centrifugation in modified colloidal silica gradients. Catsimpoolas, N., ed. Methods in cell separation, vol. 1. New York: Plenum Press; 1977; 25–65.
5. Obrink, B.; Warmegard, B.; Pertoft, H. Specific binding of rat liver plasma membranes by rat liver cells. Biochem. Biophys. Res. Commun. 77: 655–670; 1977.