@misc{78307,
  author = {M.A. Valente and M.C. Ventura and P. Gomes and M.H. Cordeiro and M.J. Rocha and S. João and L. Matos and A. Simões 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},
}