Acknowledgements
We are grateful to Dr. S. Bloch, Dr. B. Nejman-Faleńczyk and Prof. G.
Wegrzyn from the University of Gdansk, Poland for their help in
establishing the procedures of phage φ24B cultivation in our lab and to
Dr. E. M. Kutter from the Evergreen state college, Olympia, USA, for
critical reading and linguistic correction of the early version of the
manuscript.