Year 1999:
5.
Zachová J., Císařová I., Buděšínský M., Liboska R., Točík Z., Rosenberg I.: Crystal and Solution Structure of 5'-O-(Guanosine-2'-O-Phosphonomethyl)Cytidine, an Isopolar Nonisosteric Phosphonate Analog Of GpC. Nucleosides, Nucleotides and Nucleic Acids, 1999, vol. 18, p. 2581-2599.