1. T. V. Belokon’ and M. Frik, “Application of Biomarkers in Oil and Gas Geology,” in Geology, Prospecting Methods, and Assessment of Fuel Resources (Moscow, 1993), 47 pp. [in Russian].
2. D. A. Bushnev, Basics of the Geochemical Interpretation of Data on the Composition and Distribution of Individual Organic Compounds in Petroleum Materials and Sedimentary Rocks (Syktyvkar, 1999), 48 pp. [in Russian].
3. N. B. Vassoevich, Geochemistry of Organic Matter and the Origin of Petroleum (Nauka, Moscow, 1986), 368 pp. [in Russian].
4. D. N. Gabov, V. A. Beznosikov, and B. M. Kondratenok, “Polycyclic Aromatic Hydrocarbons in Background Podzolic and Gleyic Peat-Podzolic Soils,” Pochvovedenie, No. 3, 282–291 (2007) [Eur. Soil Sci. 40 (3), 256–264 (2007)].
5. D. N. Gabov, V. A. Beznosikov, B. M. Kondratenok, and E. V. Yakovleva, “Formation of Polycyclic Aromatic Hydrocarbons in Northern and Middle Taiga Soils,” Pochvovedenie, No. 11, 1334–1343 (2008) [Eur. Soil Sci. 41 (11), 1180–1188 (2008)].