60,06€(IVA inc.)
Science and technology of organic farming
- Barker, Allen V.
- 978-1-4398-1612-7
- 2010-03-01
51,72€(IVA inc.)
The agricultural revolution in prehistory: why did foragers become farmers?
- Barker, Graeme
- 978-0-19-955995-4
- 2009-01-22