(1,2,5-TRIMETHYL-4-PIPERIDYLIDENE)-Α-NAPHTHYLAMINES IN THE SYNTHESIS OF 9-METHYLNAPHTHO [1, 2-B ] [1, 6 ]NAPHTHYRIDINE AND 2,3-DIMETHYL-4- AZAPHENANTHRENE Article Prostakov N.S., Pleshakov V.G., Kholdarova T., Zvolinskii V.P., Plaksii L.N. Chemistry of Heterocyclic Compounds. Латвийский институт органического синтеза Латвийской академии наук / Springer New York Consultants Bureau. Vol. 8. 1974. P. 344-348
THE USE OF DIFFRACTION ANTENNAS IN THE VISIBLE REGION TO INVESTIGATE THE PROPAGATION OF LASER LIGHT IN THE ATMOSPHERE Article Semenov A.A., Tishchenko A.A., Arsen'yan T.I. Soviet Physics Journal. Kluwer Academic Publishers-Plenum Publishers. Vol. 15. 1974. P. 279-281