Letters Response See allHide authors and affiliations Science 11 Aug 1995:Vol. 269, Issue 5225, pp. 744-745DOI: 10.1126/science.269.5225.744-b Lester B. LaveCarnegie Mellon University, Pittsburgh, PA 15213, USAFind this author on Google Scholar Find this author on PubMed Search for this author on this site Chris T. HendricksonCarnegie Mellon University, Pittsburgh, PA 15213, USAFind this author on Google Scholar Find this author on PubMed Search for this author on this site Francis Clay McMichaelCarnegie Mellon University, Pittsburgh, PA 15213, USAFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 269, Issue 522511 August 1995 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
Response By Lester B. Lave, Chris T. Hendrickson, Francis Clay McMichael Science11 Aug 1995 : 744-745
Response By Lester B. Lave, Chris T. Hendrickson, Francis Clay McMichael Science11 Aug 1995 : 744-745