David K. CampbellBooksDisorder and nonlinearityQuo vadis Public Relations? : Auf dem Weg zum KommunikationsmanagementNonlinear science--the next decadeNonlinearity in Condensed MatterCohomology Theories for Compact Abelian GroupsChaos/xaocThe Hubbard modelSolitons and coherent structuresAuthor data: Open Library