A multiparameter sensitivity analysis of a 2d diffusive climate model. - Georg Hetzer; Helmut Jarausch; Wolfgang Mackens (IMPACT Comput. Sci. Eng., 1989)

Uniform Persistence, Coexistence, and Extinction in Almost Periodic/Nonautonomous Competition Diffusion Systems. - Georg Hetzer; Wenxian Shen (SIAM J. Math. Anal., 2002)