Sprenger, T., Wucknitz, O., Main, R., Baker, D., & Brisken, W. (2020). The θ-θ diagram: transforming pulsar scintillation spectra to coordinates on highly anisotropic interstellar scattering screens. \mnras, 500(1), 1114-1124. doi:10.1093/mnras/staa3353.