Swings, J. P.
Highlights of astronomy.-VOl. 7:as presented at the 19th general assembly of the IAU, 1985 - D. Reidel Pub. Co. ; 1986.
9027722781
Astronomy
520/525(069) I. A. U. H.
Highlights of astronomy.-VOl. 7:as presented at the 19th general assembly of the IAU, 1985 - D. Reidel Pub. Co. ; 1986.
9027722781
Astronomy
520/525(069) I. A. U. H.