1. and 1977. An introduction to cell population kinetics, Edward Arnold, London.
2. Nuclear DNA constancy: A critical evaluation of some exceptions reported by lison and pasteels
3. On the Duplication of Ribosomal RNA Cistrons in Chinese Hamster Cells
4. 1976. Multiplication and division in mammalian cells, Marcel Dekker Inc., New York.
5. 1975. In results and problems in cell differentiation, vol. 7, edited by and Springer Verlag, New York, pp. 249-290.