Secretary of State's guidance : wood combustion processes between 0.4 and 3 MW net rated thermal input /
Great Britain.Department of the Environment.
Great Britain.Scottish Office.
Great Britain.Welsh Office.
Great Britain.Environmental Protection Act 1990.
London : HMSO,
1991.
At head of title : Environmental Protection Act, Part I.
PG1/8(91)
Caption title.
Air
Wood