100 years of the International Union of Radio Science [documento eletrónico] / ed. Philip Wilkinson, Paul S. Cannon, W. Ross Stone
URSI portuguese member committee [documento eletrónico] : contributions for the 100 years of URSI / José Pedro Borrego...[et al.]
RARET : a Guerra Fria combatida a partir da charneca ribatejana / Vitor Madail Herdeiro