00371nam 2206620 45000010005000000030023000050050009000280080041000370820011000781000017000892600046001062500012001523000015001642450048001796620StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a551.22 aK. J. Bullen bLondon: Cambridge University Press c1980 a3rd ed. a381p: 24cm aAn Introduction to the Theory of Seismology