TY - GEN AU - Zerefos, C.S. AU - Isaksen, I.S.A. AU - Ziomas, I. TI - Chemistry and radiation changes in the ozone layer SN - 0792365135 PY - 2000/// CY - Dordrecht PB - Kluwer Academic Publishers KW - CAMADA DO OZONE KW - IM ER -