by Ryaboy, V, Baumgardt, Dr, Firbas, P, Dainty, Am
Published in Pure and applied geophysics (01.02.2001)

by Červený, V., Firbas, P.
Published in Geophysical Journal of the Royal Astronomical Society (01.01.1984)

by Firbas, Petr
Published in Geophysical Journal of the Royal Astronomical Society (01.10.1981)

by Hoffmann, Wolfgang, Kebeasy, Rashad, Firbas, Petr
Published in Physics of the earth and planetary interiors (01.06.1999)

by P. Firbas
Published in Annals of geophysics (01.06.1994)

by Aharinejad, S, Franz, P, Firbas, W, Fakhari, M
Published in The Anatomical record (01.12.1990)