Lightle, K., Almasy, E., Barbato, L., Clark, S., George, Y., Hsi, S., Lowe, C., MacKinney, P., McIlvain, E. (2010). Best Practices for Metrics Collection and Analysis: Report of the NSDL Metrics Working Group. Boulder, Colorado: National Science Digital Library, University Corporation for Atmospheric Research, 39 p.
Weatherley, J., Clark S., Ahmad F., Davis L., and Sumner T., 2007: NSDL Science Literacy Maps for Science and Mathematics Education [presentation]. NSDL Annual Meeting 2007, NSDL, Arlington, Virginia, US.
