Yang, Huijun. Wave packets and their bifurcations in geophysical fluid dynamics / Huijun Yang. - New York : Springer-Verlag, c1991. - vii, 247 p. : ill. ; - Applied mathematical sciences ; v. 85 . Subjects--Topical Terms: Fluid dynamics.Geophysics.Wave packets. Universal Decimal Class. No.: 51-73:532 / YAN