1. Alföldi, L. (1978) XIV Int. Congr. Genet., Plen. Sess. Symp. pp. 169–180.
2. Genetic Engineering of Microorganisms for Chemicals;Alföldi,1981
3. Modern Trends in Bacterial Transformation and Transfection;Anagnostopoulos,1977
4. Protoplasts, 1983;Azizbekyan,1983