00905nam a2200277 i 450099100091823970753620020507103215.0951206s1958 us ||| | eng b10148036-39ule_instLE00639114ExLDip.to Fisicaita52.9.3551.22QE534Richter, C.F.461848Elementary seismology /C.F. RichterSan Francisco :W.H. Freeman and Company,1958768 p. :ill. ;25 cm.Includes bibliography.Seismology.b1014803621-09-0627-06-02991000918239707536LE006 52.9.3 RIC12006000025416le006-E0.00-l- 01010.i1017631727-06-02Elementary seismology186403UNISALENTOle00601-01-95ma -engus 01