@misc{p14709,
  author = {M.A. Valente and M.C. Ventura and P. Gomes and M.H. Cordeiro and M.J. Rocha and S. Jo{\~a}o and L. Matos and A. Sim{\~o}es and I. Pedroso and T. Cropper and R. Trigo},
  title = {Progress on digitising Portuguese and Chilean surface data plus Spanish pilot balloon data},
  year = {2015},
  month = {2015},
  language = {eng},
}