Biological Diversity 3 : The variability among living organisms, and the ecological complexes of which they are a part, including diversity within species, between species, and of ecosystems
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}