Rok 1991:
1.
Vlčková B., Matějka P., Pančoška P., Baumruk V., Král V.: Surface-Enhanced Raman Spectra of 5,10,15,20-Tetrakis (4-carboxyphenyl)porphyrin/Silver Colloid System: What Information Do We Obtain?. Inorganic Chemistry, 1991, vol. 30, p. 4103-4105.