Mars sample return and planetary protection in a public context. Meeting of the American Association for the Advancement of Science. Rummel, J.D. 1998. Scientific, technical, and social challenges. Meeting of the American Association for the Advancement of Science.
Reports raise questions about Martian rock.
The role of discourse novelty in early word learning. Samuelson, L.K., and L.B. Smith. An alternative account of Akhtar, Carpenter, and Tomasello. A child's theory of mind. Smith, Linda B., and L.K. Samuelson.