Kurkela E. Pressurized fluidized-bed gasification experiments with wood,peat and coal at VTT in 1991-1992. Pt. 1 : Test facilities and gasification experiments with sawdust, 1993. - 55 p. - Текст : непосредственный.
Kurkela E. Pressurised fluidised-bed gasification experiments with wood,peat and coal at VTT in 1991-1994. Pt. 2 : Experiences from peat and coal gasification and hot gas filtration, 1995. - 58 p. - Текст : непосредственный.
Kurkela E. Pressurised fluidised-bed gasification experiments with wood,peat and coal at VTT in 1991-1994. Pt. 3 : Gasification of Danish wheat straw and coal / E.Kurkela,J.Laatikainen-Luntama,P.Stahlberg,A.Moilanen, 1996. - 41 p. - Текст : непосредственный.