title: General constraints on the Viking biology investigation.
abstract: The Viking biological investigation will be conducted in the face of a number of constraints. Problems are created because of the inherent engineering of the instrument, communication constraints and other factors.
mesh_terms: D055580:Astronomical Phenomena; D001256:Astronomy; D001695:Biology; D005118:Extraterrestrial Environment; D012106:Research; D013026:Space Flight; D014481:United States