- Books chapter
http://www.wiley-vch.de/publish/en/books/bySubjectLS00/ISBN3-527-31487-3...
http://www.wiley-vch.de/publish/en/books/bySubjectLS00/ISBN3-527-31487-3...
http://www.springer.com/life+sci/plant+sciences/book/978-1-4020-6351-0
http://www.eolss.net
