PERCUTANEOUS HEPATOCHOLANGIOGRAPHY WITH A FLEXIBLE NEEDLE Article VINOGRADOV V.V., BRAGIN F.A., ALEXEEV V.F. Pirogov Russian Journal of Surgery. Медиа Сфера. 1982.
ADSORPTION AND CONVERSIONS OF CYCLOHEXENE ON GRANULAR SILVER FILMS Article YAGODOVSKII V.D., TSVETKOV V.V., CHITNIS U., REI S.K. Kinetics and Catalysis. Maik Nauka-Interperiodica Publishing. Vol. 23. 1982. P. 608-611