1. Behrens F, Johnson WD, Koch TW (1983) Bending stiffness of unilateral and bilateral fixator frame. Clin Ortho 178: 103–110
2. Behrens F, Johnson WD (1989) Unilateral external fixation methods to increase and reduce frame stiffness. Clin Orthop 241: 48–56
3. Edwards CC (1983) Staged reconstruction of complex open tibial fractures using Hoffmann external fixation. Clin Orthop 178: 130–161
4. Edwards CC, Simmons SC, Browner BD, Weigel MA (1988) Severe open tibial fractures: results treating 202 injuries with external fixation. Clin Orthop 230: 98–115
5. Fernandex AA (1985) External fixation of the leg using unilateral biplanar frame. Arch Orthop Trauma Surg 104: 182–186