1. Acurex Corporation, 1985. Inhalable Particulate Source Category Report for External Combustion Sources. EPA Contract no. 68-02-3156. Acurex Corporation, Mountain View, CA
2. Acurex Environmental, 1991. Evaluation of Fuel-based Additives for N2O and Air Toxic Control in Fluidized Bed Combustion Boilers. EPRI Contract no. RP3197-02. Acurex Report no. FR-91-101-/ESD (Draft Report) Acurex Environmental, Mountain View, CA
3. Thermal performance and emission characteristics of unvented biomass-burning cookstoves: a proposed standard method for evaluation;Ahuja;Biomass,1987
4. Airborne Particles Expert Group, 1999. Source apportionment of airborne particulate matter in the United Kingdom. Report for the Department of the Environment, Transport and the Regions, The Welsh Office, The Scottish Office, The Department of the Environment (Northern Ireland)
5. Comparison of five rural wood-burning cooking devices: efficiencies and emissions;Ballard-Tremeer;Biomass and Bioenergy,1996