http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
You might also receive requests to introduce a connection to another connection through an introduction; whether you do so is your decision. This video explains how to accept or decline to pass on an introduction while still maintaining your connection.
Title from resource description page (viewed July 17, 2018).