Holmes, Kenneth C. Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
http://www.nature.com/nature/journal/v431/n7012/pdf/4311037a.pdf (Any fulltext)
https://dx.doi.org/10.1038/4311037a (Any fulltext)
Holmes, K. C. (2004). Driven to diffraction. Nature, 431(7012), 1037-1038. doi:10.1038/4311037a.