east european area audience and opinion research Attitudes to the United States and the Soviet Union in West and East Europe : (validation and effectiveness) / RFE-RL document Airpower : report of the Subcommittee on the Air Force of the Committee on Armed Services United States Senate eighty-fourt congress together with minority views Europese veiligheid : rapport inzake Europese veiligheid / Adviescommissie inzake vraagstukken van ontwapening en internationale veiligheid en vrede ; [voorz. B.V.A. Röling]