http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Aeronautics and Space Administration.
"This volume is one of a set of five giving key characteristics of Earth-Venus trajectories during the period 1964-1970."--Foreword, volume 1, pt. B.
At head of title: National Fire Protection Association (NFPA).
"4a. edición, octubre 1993; 1a. reimpresión, abril 2001."
National Aeronautics and Space Administration. NAS 7-100
Technical memorandum (Jet Propulsion Laboratory (U.S.)) ; no. 33-99