Space exploration and applications : papers presented at the United Nations Conference on the Exploration and Peaceful Uses of Outer Space, Vienna, 14-27 August 1968, Vol. II / United Nations Conference on the Exploration and Peaceful Uses of Outer Space (1st : 1968 : Vienna, Austria) Artificial satellites Congresses. Space sciences Congresses. 523.14 UNS "United Nations publication. Sales no.: E.F.R.S.69. I. 16." English, French, Russian, and Spanish. Includes bibliographical references. New York : United Nations, 1969. 1969. 1969 Text 2 v. (xxvii, 1289 p.) ; eng engfrerusspa