Northern Ireland. Environmental Policy Division. (2001). The Department of the Environment's proposal to introduce regulations for the Control of Pollution (silage, slurry and agricultural fuel oik) ) Regulations (Northern Ireland) 2002. Dept. of the Environment.

Northern Ireland. Environmental Policy Division. The Department of the Environment's Proposal to Introduce Regulations for the Control of Pollution (silage, Slurry and Agricultural Fuel Oik) ) Regulations (Northern Ireland) 2002. Dept. of the Environment, 2001.