News & Comment Presidential Digital Commitment Science 03 May 1991:Vol. 252, Issue 5006, pp. 642DOI: 10.1126/science.252.5006.642-c Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.
Science Vol 252, Issue 500603 May 1991 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)