Propagation effects in space VLBI : proceedings of a workshop held at the Special Astrophysical Observatory, Leningrad, U.S.S.R., May 28-30, 1990
edited by Leonid I. Gurvits; sponsored by P. N. Lebedev Physical Institute, National Astronomy and Ionophere centre (NAIC), [and] Special Astrophysical Observatory; distributed bye the National Astronomical and Ionosphere Center.
Arecibo : National Astronomical and Ionosphere Center, ©1993.
iii, 104 págs. : ilustraciones ; 28 cm.