Sazhin M.V. Stability of Pulsar Clock and Its sensitivity as       Gravitational wave Detector. in: workshop on IMPACT of PULSAR TIMING on GENERAL RELATIVITY and COSMOLOGY. June 7-9, 1990, Sponsored by: Center for Particle Astrophysics, JPL, US Depart. of Commerce, NSF, p.ll, (1990)

Dolgov A.D., Sazhin M.V., Zeldovich Ya.B.  Basic of Modern Cosmology, Editions Frontieres, Gif-sur-Yvette, France, 1990

Sazhin M.V., Gravitational Radiation in the Early Universe. in: Proc. of the Friedmann Centenary Conference. A.A.Friedmann: Centenary Volume.  World Sci., (1990) p.147.

Doroshenko O.V., Ilyasov Yu.P., Kopejkin S.M., Sazhin M.V. Pulsar astrometry -- availabilities and relativistic aspects of a pulsar reference frame. in: INERTIAL COORDINATE SYSTEM ON THE SKY.       KLUWER ACAD. PUB., eds. J.H.Lieske, V.K.Abalakin, IAU, p.213, 1990.