These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
4. Viking bistatic radar observations of the hellas basin on Mars: preliminary results. Simpson RA; Tyler GL; Brenkle JP; Sue M Science; 1979 Jan; 203(4375):45-6. PubMed ID: 17840509 [TBL] [Abstract][Full Text] [Related]
5. Structure of Mars' Atmosphere up to 100 Kilometers from the Entry Measurements of Viking 2. Seiff A; Kirk DB Science; 1976 Dec; 194(4271):1300-3. PubMed ID: 17797089 [TBL] [Abstract][Full Text] [Related]