Hackmann, E., & Lämmerzahl, C. (2012). Observables for bound orbital motion in axially symmetric space-times. Physical Review D: Particles, Fields, Gravitation & Cosmology, 85(4-B), 1. https://doi.org/10.1103/PhysRevD.85.044049
Chicago Style (17th ed.) CitationHackmann, Eva, and Claus Lämmerzahl. "Observables for Bound Orbital Motion in Axially Symmetric Space-times." Physical Review D: Particles, Fields, Gravitation & Cosmology 85, no. 4-B (2012): 1. https://doi.org/10.1103/PhysRevD.85.044049.
MLA (9th ed.) CitationHackmann, Eva, and Claus Lämmerzahl. "Observables for Bound Orbital Motion in Axially Symmetric Space-times." Physical Review D: Particles, Fields, Gravitation & Cosmology, vol. 85, no. 4-B, 2012, p. 1, https://doi.org/10.1103/PhysRevD.85.044049.