Official Publication No. 3 contains the final reports of the EuroSDR Workshop 'Use of Strips Connected to Blocks for Large Scale Mapping - Results of Experimental Research Organized by Commission B of the OEEPE from 1959 through 1966'
Official Publication No. 2 contains the final reports of the EuroSDR Workshops 'The Interpretation Tests of Bedford and Waterbury. Common Report Established by all Participating Centres of Commission E of OEEPE'