Dette, HolgerMelas, Viatcheslav B.Wong, Weng Kee2004-12-062004-12-062004http://hdl.handle.net/2003/489110.17877/DE290R-15075We study locally D-optimal designs for some exponential models that are frequently used in the biological sciences. The model can be written as an algebraic sum of two or three exponential terms. We show that approximate locally D-optimal designs are supported at a minimal number of points and construct these designs numerically.enUniversitätsbibliothek Dortmund310report