1. Morphogenesis and disassembly of the circular plasmalemma invagination system in Physarum polycephalum;Achenbach;Differentiation (Berlin),1981
2. Reactivation of cell-free models of endoplasmic drops from Physarum polycephalum after glycerol extraction at low ionic strength;Achenbach;Eur. J. Cell Biol.,1986
3. Successive contraction-relaxation cycles experimentally induced in cell-free models of Physarum polycephalum;Achenbach;Eur. J. Cell Biol.,1986
4. Plasmalemma invaginations, contraction and locomotion in normal and caffeine-treated protoplasmic drops of Physarum;Achenbach;Eur. J. Cell Biol.,1979
5. Plasmalemma invaginations of Physarum dependent on the nutritional content of the plasmodial environment;Achenbach;J. Cell Sci.,1979