MASS-SPECTROMETRIC STUDY OF NITRO DERIVATIVES OF 2(4)-AZAFLUORENES AND 2(4)-AZAFLUORENONES СтатьяShevtsov V.K., Zakharov P.I., Zvolinskii V.P., Pleshakov V.G., Grigor'ev G.V., Prostakov N.S., Zainul Abedin M.Chemistry of Heterocyclic Compounds. Том 17. 1981. С. 697-702
THE GRAVITATIONAL FIELD OF A MAGNETIC MOMENT СтатьяEfremov A.P.Soviet Physics Journal. Том 24. 1981. С. 406-408