http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Modern procurement management: principles and cases
First and 2d edition, by H. T. Lewis, and 3d and 4th edition, by H. T. Lewis and W. B. England, published under title: Procurement: principles and cases (HF5437.L432).