1. Mariner Mars 1969 Preliminary Report NASA SP-225 may be obtained from the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151; price: $3.00
2. Mariner Mars 1969 Infrared Spectrometer
3. Reaction of titanium with gaseous hydrogen at ambient temperatures;Williams,1966
4. Effect of pressurized hydrogen upon Inconel, 718 and 2219 aluminum;Lorenz,1969