1. Oscillating contractions in protoplasmic strands of Physarum: Effects of externally applied ouabain, sodium-, potassium-, and calcium-ions;Achenbach;Cell Biol. Int. Rep.,1979
2. Plasmalemma invaginations, contraction and locomotion in normal and caffeine-treated protoplasmic drops of Physarum;Achenbach;Eur. J. Cell Biol.,1979
3. Plasmalemma invaginations of Physarum dependent on the nutritional content of the plasmodial environment;Achenbach;J. Cell Sci.,1979
4. Oscillating contractions in protoplasmic strands of Physarum;Achenbach;J. Exp. Biol.,1980
5. Physarum polycephalum actin: Observations on its presence, stability, and assembly in plasmodial extracts and development of an improved purification procedure;Adelman;Biochemistry,1977