Users agree to be bound by copyright law with respect to their use of the site. Moderate downloading, printing, or saving of material for personal, non-commercial use is permissible, only to the extent consistent with the fair use doctrine. Extensive downloading, printing, or saving of articles by individual users is not permitted. No commercial use (e.g. printing to resell or redistribute to non-paying or non-authorized users) of any articles is permitted without prior, express written permission of AAAS.

Standard use restrictions also reply, as follows:

Use of many of these resources is governed by license agreements which restrict use to the MIT community and to individuals who use the MIT Libraries’ facilities. It is the responsibility of each user to ensure that he or she uses these products only for individual, noncommercial use without systematically downloading, distributing, or retaining substantial portions of information.