Fabry B, Maksym GN, Butler JP, Glogauer M, Navajas D, Taback NA, Millet EJ, Fredberg JJ. Time scale and other invariants of integrative mechanical behavior in living cells. Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Oct;68(4 Pt 1):041914. doi: 10.1103/physreve.68.041914. PMID: 14682980.