1659-02011659-0201S1659-0201202200010038010.15517/psm.v0i19.49210Costa RicaCosta RicaCubaCubaCosta RicaCosta RicaCosta Rica0006202200062022192380398201098290-52020820118799923-312016231113-1419788522242-320161711164-920199512121659-6720127thInternational Atomic Energy Agency1988International Atomic Energy Agency2004International Atomic Energy Agency2009International Organization for Standardization201420144221-820144984-9720196055555-63201022022115-20Organismo Internacional de Energía Atómica2014Organismo Internacional de Energía Atómica2016201631331989346652-7R Core Team202020137561–21–2174-8320167882017107125-3520175611111387-9120171566599-6102015201420111871152-8