Puu Tonu Nonlinear economic dynamics Puu Tonu - 4th - New York Springer Verlag U S A 1997 - x, 288p. Bib p277-79 cm. - Lecture notes in econoimcs and mathematical systems . Source: General Book Subjects--Topical Terms: Operations Rersearch Economics Dewey Class. No.: X:(B7:3), N1;N7