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2. The theory of the measurement of viscosity and slip of fluids by the oscillating disc method, part II
3. W. H. Keesom and G. E. MacWood, Commun. Kamerlingh Onnes Lab., Leiden, No. 254a
4. The viscosity of liquid helium
5. G. E. MacWood, Commun. Kamerlingh Onnes Lab., Leiden Suppl. No. 84b