1. D. F. Nelson Landolt-Börnstein, Numerical Data and Functional Relationships in Science and Technology, New Series, Group III, Vol. 29b (Springer-Verlag, Berlin, 1993).
2. Magnetic properties of Cu(L-aspartato)(H2O)2: A linear chain antiferromagnet
3. Structural and magnetic properties of betaine adducts with transition metals: I. ((CH3)3NCH2COO)3MnMCl4with M = Mn2+, Co2+, Zn2+
4. T. Mitsui E. Nakamura Landolt-Börnstein, Numerical Data and Functional Relationships in Science and Technology, New Series, Group III, Vol. 36C (Ferroelectrics and Related Substances: Organic crystals, liquid crystals and polymers) (Springer-Verlag, Berlin, 2006).
5. Crystal growth, crystal structure and physical properties of polar orthorhombic tris(glycine) zinc chloride