1. Laying the ground rules for nitrate;Addiscott;New Scientist,1989
2. Appraisal of Farm Waste Management Options;Baldwin,1993
3. Anaerobic Digestion in the UK — A Review of Current Practice;Baldwin,1993
4. Anaerobic Digestor Performance at Hanford Farms Dorchester;Baldwin,1994
5. Joint Biogas Plant — Agricultural Advantages — Circulation of N, P and K;Bo Holm Niesen,1993