http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improving the structure of world trade in natural rubber
Malaysian Rubber Research and Development Board
Ng Choong Sooi, Yap Chiat Bine, Yusof Basiron
Includes bibliographical references (p. 83-85)