00340nam a2200133Ia 4500020001800000082001700018100002200035245003600057260005800093300002800151490001700179500000500196700000500201  a9780387495095  a516bN595.IM  aNicolaescu, Liviu  aAn invitation to morse theoryb  aNew YorkbSpringer Science+Business Media, Inc.c2007  axiv, 241p. Bibl. Index.  aUniversitext  a  a