Authors:
Rigozo, NR
Echer, E
Vieira, LEA
Nordemann, DJR
Citation: Nr. Rigozo et al., Reconstruction of Wolf sunspot numbers on the basis of spectral characteristics and estimates of associated radio flux and solar wind parameters for the last millennium, SOLAR PHYS, 203(1), 2001, pp. 179-191
Citation: Djr. Nordemann, Periodicities, tendencies and prevision based on dynamic spectral analysisof the Paraguay River level series in Ladario County (1990/1995), PESQ AGROP, 33, 1998, pp. 1787-1790