http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
color handbook of biological control in plant protection
126 pages : color illustrations ; 27 cm.
Neil Helyer, Kevin Brown, Nigel D. Cattlin.
Includes bibliographical references (pages 117-118) and indexes.
Insects as biological pest control agents