J. A. Ryan

Meteorological results from the surface of Mars: Viking 1 and 2

R. M. Henry, Conway B. Leovy, J. Ryan, 1977 .

Mars meteorology - Three seasons at the surface

R. M. Henry, Conway B. Leovy, J. Ryan, 1978 .

Mars atmospheric phenomena during major dust storms, as measured at surface

R. M. Henry, J. Ryan, J. A. Ryan, 1979 .

The annual cycle of pressure on Mars measured by Viking landers 1 and 2

R. M. Henry, Conway B. Leovy, J. Ryan, 1980 .

Correction [to “Mars meteorology: Three seasons at the surface”]

R. M. Henry, Conway B. Leovy, James E. Tillman, 1978 .

Microphysical, microchemical, and adhesive properties of lunar material. III - Gas interaction with lunar material.

J. Ryan, J. A. Ryan, J. Grossman, 1972 .