SYNTHESIS OF 2,3,8,9-TETRAMETHOXY-11-PHENYL-5,6-DIHYDRODIBENZ[2,3;7,8]INDOLIZINE ArticleAlarcon J.A.R., Soldatenkov A.T., Soldatova S.A., Samalloa A.U., Obando J.U., Prostakov N.S.Chemistry of Heterocyclic Compounds. Vol. 29. 1993. P.. 1054-1058
VIBRATIONS OF DISPERSED SILICAS: A COMPARATIVE ArticleSheka E.F., Natkaniec I., Markichev I., Chuyko A., Khavryutchenko V., Ogenko V.Reaction Kinetics & Catalysis Letters. Vol. 50. 1993. P.. 221-226