1. Density gradient centrifugation: a new separation technique;Brakke;J. Am. Chem. Soc.,1951
2. Zonal separations by density-gradient centrifugation;Brakke;Arch. Biochem. Biophys.,1953
3. Estimation of sedimentation constants of plant viruses by density-gradient centrifugation;Brakke;Phytopathology,1957
4. Correlation of rod length with infectivity of wheat streak mosaic virus;Brakke;Virology,1958
5. The sedimentation rate of potato yellow-dwarf virus;Brakke;Am. J. Botany,1951