Most publications are available in hypertext and .pdf formats.
The hypertext format is preferable for direct, online viewing and for taking advantage of the navigational flexibility available in your web browser while the .pdf format will provide a near-exact copy of the original, printed publication for easier offline reading. All searches are limited to the information on the SRS web site. NSF's Online Document System NSF encourages electronic dissemination of its documents. NSF's Online Document System includes all publications and forms available in electronic formats. The Online Document System allows users to search by document type, by NSF publication or form number, or by key word.