000 00246nam a2200109Ia 4500
008 220709b1958 xxu||||| |||| 00| 0 eng d
082 _a
_b
100 _aRichter, Charles.F.
245 _aElementary seismology
260 _aNew Delhi
_bS.Chand
_c1958
300 _aviii, 768p.
942 _cBooks
906 _a183223
981 _aNew Delhi: S.Chand, 1958.
982 _aviii, 768p.
983 _aElementary seismology
999 _c159658
_d159658