%0 Book %T Conference on Potential Hazards of Back Contamination from the Planets %D 1964 %U https://nap.nationalacademies.org/catalog/12414/conference-on-potential-hazards-of-back-contamination-from-the-planets %> https://nap.nationalacademies.org/catalog/12414/conference-on-potential-hazards-of-back-contamination-from-the-planets %I The National Academies Press %C Washington, DC %G English %K Space and Aeronautics %P 86 %R doi:10.17226/12414