1. Farm digesters : why Britain needs a revolution in anaerobic processing /: why Britain needs a revolution in anaerobic processing. (2015) Authors: Letcher, Jonathan Other Names: Gardner, David writer of supplementary textual content. Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Farm digesters : why Britain needs a revolution in anaerobic processing /: why Britain needs a revolution in anaerobic processing. (2015) Authors: Letcher, Jonathan Other Names: Gardner, David writer of supplementary textual content. Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗