автор: Hilmar Lorenz

At the end of the year of 2015, an international conference shall take place in Paris to which the UN has invited the leaders of all nations in order to make an internationally binding treaty about t …

H.T. Mac Gil LIVRAY Royal Observatory Blackford Hill Edinburgh EH9 3HJ Scotland U.K. l AU Symposium No. 161 on ‘Astronomy from Wide-Field Imaging’, held in Potsdam, Germany, during 23-27th August 199 …