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van Belkum, A., M J. Blommers, H. van den Elst, J H. van Boom, i C W. Hilbers. Biochemical and Biophysical Studies On the Folding of the Core Region of the Origin of Replication of Bacteriophage M13. 1990.

van Belkum, A., et al. Biochemical and Biophysical Studies On the Folding of the Core Region of the Origin of Replication of Bacteriophage M13. 1990.