1. Applied Statistics. Study of Relationships;Aivazyan,1985
2. Applied Statistics. Classification and Reduction of Dimensionality;Aivazyan,1989
3. Heavy Natural Radionuclides in Biosphere. Migration and Biological Effects on Population and Biocenosis;Alexakhin,1990
4. Analysis of the cell cycle in the root meristem of Allium cepa under the influence of Ledakrin;Antonsiewicz;Folia Histochem. Cytobiol.,1990
5. Agency for Toxic Substances and Disease Registry (ATSDR), 2006. Toxicological Profile Information Sheet. US Department of Health and Human Services. .