http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
An indispensable resource for both practitioners and students alike, the handbook brings together a review of what public opinion is, what role it has in a society, how it changes and by what it is affected, how it can be measured and what impact it has.
edited by Wolfgang Donsbach and Michael W. Traugott.