Allen, Bruce Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
prd43-R2457.pdf (Publisher version), 744KB
Allen, B., & Caldwell, R. R. (1991). Kinky structure on strings. Physical Review D, 43(8), R2457-R2460. doi:10.1103/PhysRevD.43.R2457.