Institution: | (1) Geophysical Institute, Acad. Sci. of Czech Republic, Czech Republic;(2) . Boní II, Praha 4, Czech Republic;(3) . 13.083-970 Campinas SP, PO Box 6152, Brazil;(4) Dept. of Civil Eng., GPET-PCU, Gávea, 22, 453-090 Rio de Janeiro RJ, Brazil |