Mixing and Mapping Metadata to Provide Integrated Access to Digital Library Collections: An Activity Report. - Karen Calhoun; Tom Turner; Meryl Brodsky; George Kozak; Marty Kurth; Fred Muratori; David Ruddy; Sarah Young (Dublin Core Conference, 2001)

Assembling the Digital Mathematics Library. - David Ruddy (Calculemus/MKM, 2009)