1. in an interview with I. Hargittai, Chem. Intell. 2000, 6(3), 6.
2. See, among others: Solid-Phase Synthesis and Combinatorial Technologies, Wiley-Interscience, New York, NY, 2000;
3. Molecular Diversity and Combinatorial Chemistry (), American Chemical Society, Washington, DC, 1996;
4. Combinatorial Chemistry (), Wiley, New York, NY, 1997.
5. Sefer Yetzirah (Tr.: A. Kaplan), Samuel Weiser, York Beach, ME, 1997, 2:2, p. 100.