http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an illustrated text for students and specialists
Blackwell Scientific Publications ; St. Louis, Mo. : Distributors, USA, Blackwell Mosby Book Distributors
Niels Mygind ; advisers, T.J.H. Clark ... [et al.] ; foreword by Philip S. Norman.