1. Delbruck, M. A physicist's renewed look at biology: twenty years later. Science 168, 1312–1315 (1970).
2. Lim, C. T., Bershadsky, A. & Sheetz, M. P. Mechanobiology. J. R. Soc. Interface 7, S291–S293 (2010).
3. Thompson, D. A. W. On Growth and Form (Cambridge University Press, 1917).
4. Sanford, K. K., Likely, G. D. & Earle, W. R. The development of variations in transplantability and morphology within a clone of mouse fibroblasts transformed to sarcoma-producing cells in vitro. J. Natl Cancer Inst. 15, 215–237 (1954).
5. Temin, H. M. & Rubin, H. Characteristics of an assay for Rous sarcoma virus and Rous sarcoma cells in tissue culture. Virology 6, 669–688 (1958).