Science 20 September 2002 297: 1972-1973 [DOI: 10.1126/science.297.5589.1972] (in News of the Week)
Science-2002-Lawler-NASA_Plans_Expansion_New_Research_Agenda-1977-8_1.pdf
Science 20 September 2002 297: 1972-1973 [DOI: 10.1126/science.297.5589.1972] (in News of the Week)
Science-2002-Lawler-NASA_Plans_Expansion_New_Research_Agenda-1977-8_1.pdf