| Description | Article from 'Geotimes' October 1972: 'Luna 20 samples from the moon - preliminary results'
Article from 'Aviation Week & Space Technology', March 20 1972: Luna 20 Sample Return System Detailed'
Article by Theodore Sharad, 28 February 1972: 'Russians study core from the moon'
Article from the 'Washington Star' 24 February 1972: 'Soviet Mooncraft Back with Samples of Soil'
Article from 'USSR Scientific Affairs' 24 February 1972: 'Design, Operation of Luna 20 Drilling Device Outlined'
Press translation of an interview with Professor Geoffrey Eglinton, 26 October 1980 about his personal remoniscences of working with moon specimens |