1. High-speed photography in dynamic materials testing;Perkins;Rev. scient. Instrum.,1968
2. Informal Presentation of 16 mm Movie on Deformation of a Block of Ice;Hawkes,1968
3. Microcracking of plain concrete and the shape of the stress-strain curve;Hsu;J. Am. Concr. Inst.,1963
4. On the problems of strength and plasticity of concrete;Berg;Dokl. Akad. Nauk SSSR,1950
5. Tensile Strains in Concrete;Blakey;Australia CSIRO Division of Building Research Reports C2. 2-1, C2. 2-2,1955