Information and communication technologies have transformed the nature of scientific communication. This article examines the suitability of print, microform, online, and CD'ROM technologies for providing access to scientific serials by Third World scientists. Findings from an investigation of the technological and institutional options available to the scientific information system of Sri Lanka, a small country with a poor telecommunications infrastructure, are reported. Online is found most appropriate, principally due to the presence of a small number of scientists with a broad range of interests which makes the fixed-price regimes of the other modes disadvantageous. Policy responses, including the setting up of an online information bureau to gradually build up domestic and international communication levels to justify the introduction of internal and external data communication facilities, are discussed. The recommendations are user-centered and emphasize the need for continuous monitoring of technological and market options and flexibility of response on the part of peripheral players in the information market.