The user can search for citations and download them in one of the followng formats: Biblioscape Tag File, Refer (Unix), Refer (Endnote), or RIS Reference Manager. For users who do not have one of these programs, a copy of the database is available as text only, MS Word 2000 or lower, or as WordPerfect 8 or lower. The authors do not maintain a complete library of the citations listed in the bibliography and should not be contacted regarding distribution or locations of copies.