1. Struktur und Ultrastruktur von Nervenzellen und Synapsen;Akert;Klin. Wschr.,1971
2. Contribution of new impregnation methods and freeze etching to the problem of synaptic fine structure;Akert,1969
3. Synaptic fine structure and neural dynamics;Akert,1969
4. Identification of the active synaptic region by means of histochemical and freeze-etching techniques;Akert,1970
5. Freeze-etching and cytochemistry of vesicles and membrane complexes in synapses of the C.N.S.;Akert,1972