Improvements in and Relating to Bombshelters Open PDF Document Details Document Type Technical Report Publication Date Dec 20, 1961 Accession Number ADA396290 Entities People Morton M. Rosenfeld Tags Communities of Interest Air Platforms Counter IED Counter WMD Weapons Technologies DTIC Thesaurus Topics Alpha Particles Basements Beta Particles Concrete Explosions Floods Gamma Rays Ground Zero Housing (Dwellings) Inventions Materials New York Nuclear Weapons Radiation Reinforced Concrete Right Angles United States