TY - JOUR TI - Process for production of calcined phosphata in a grate furnace PY - 1988 AU - Pereira, S. C. C. AU - Cekinski, E. AU - Valarelli, José Vicente T2 - Fertilizer Research SN - 0167-1731 DO - 10.1007/bf01049772 UR - https://doi.org/10.1007/bf01049772 VL - 16 SP - 169-77 ER -