• Estonian calcareous rocks as SO2 sorbents in AFBC and PFBC conditionsTrikkel, Andres; Kuusik, Rein, keemik; Zevenhoven, Ron15th International Conference on Fluidized Bed Combustion : May 16-19, 1999, Savannah, Georgia : general conference information, agenda, and abstracts1999 / p. FBC 99-0032