Patricia Ann Straat

A search for a nonbiological explanation of the Viking Labeled Release life detection experiment

Gilbert V. Levin, G. Levin, P. Straat, 1981 .

Complexity Analysis of the Viking Labeled Release Experiments

Gilbert V. Levin, Giorgio Bianciardi, G. Bianciardi, 2012 .

Recent results from the Viking Labeled Release experiment on Mars

Gilbert V. Levin, G. Levin, P. Straat, 1977 .

The Case for Extant Life on Mars and Its Possible Detection by the Viking Labeled Release Experiment.

Gilbert V Levin, G. Levin, P. Straat, 2016, Astrobiology.