Core services in the architecture of the national science digital library (NSDL). - Carl Lagoze; William Y. Arms; Stoney Gan; Diane Hillmann; Christopher Ingram; Dean B. Krafft; Richard J. Marisa; Jon Phipps; John Saylor; Carol Terrizzi; Walter Hoehn; David Millman; et al. (JCDL, 2002)

Core Services in the Architecture of the National Digital Library for Science Education (NSDL) - Carl Lagoze; William Y. Arms; Stoney Gan; Diane Hillmann; Christopher Ingram; Dean B. Krafft; Richard J. Marisa; Jon Phipps; John Saylor; Carol Terrizzi; Walter Hoehn; David Millman; et al. (CoRR, 2002)