1. The purification of simian virus 40;Black;Virology,1964
2. The physical characteristics of polyoma virus. II. The nucleic acid;Crawford;Virology,1963
3. The physical characteristics of polyoma virus. IV. The size of the DNA;Crawford;Virology,1964
4. The properties of sonic fragments of deoxy-ribonucleic acid;Doty,1958
5. Evidence for a ring structure of polyoma virus DNA;Dulbecco,1963