P Cloud

Earth science and earth resources-A centenary salute to the U.S. Geological Survey: Introduction to the symposium.

P Cloud, 1979, Proceedings of the National Academy of Sciences of the United States of America.

Micromorphology and Surface Characteristics of Lunar Dust and Breccia

P Cloud, J M Barker, S V Margolis, 1970, Science.

The oxygen cycle.

P Cloud, P. Cloud, A Gibor, 1970, Scientific American.