http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Reciprocal behavior in interpersonal information exchange
Microfiche. Princeton, N.J. : Educational Testing Service, [1992]. 2 microfiches : negative. (Tests in microfiche ; no. 010309).
Includes bibliographical references (pages 73-75).