Citation: Ai. Vladimirov et Lv. Kalamkarov, THE GUBKIN ACADEMY - A FLAGSHIP OF DOMEST IC OIL AND GAS EDUCATION, Neftanoe hozajstvo, (8), 1997, pp. 8-12
Citation: Lv. Kalamkarov, METHODICAL ASPECTS OF THE COMPLEX STUDY O F OIL AND GAS-BEARING OF SALIFEROUS BASINS, Neftanoe hozajstvo, (9), 1996, pp. 65-69