An agreement between Cuba and the USSR on the provision of special materials to Cuba and payment for these materials. Three annexes are included. Annex I: lists war materials provided by the USSR in 1961-2. 1/3 of the value paid. Annex II: lists materials in 1962-63. 2/3 of the value paid. AnnexIII: lists materials in 1962-3. Total value paid.