1. A Search for Structure; Selected Essays on Science, Art, and History;Smith,1981
2. P. Hartman (Ed.), Crystal Growth: An Introduction, North Holland, Amsterdam, 1973, p. 367, (Chapter 14).
3. On the relations between structure and morphology of crystals;Hartman;Acta Crystallographica,1955
4. The attachment energy as a habit controlling factor: I. Theoretical considerations;Hartman;Journal of Crystal Growth,1980