Abbott, B.; Abbott, R.; Adhikari, R.; Ageev, A.; Allen, B. et al.: Search for gravitational waves from primordial black hole binary coalescences in the galactic halo. In: Physical Review D - Particles, Fields, Gravitation and Cosmology 72 (2005), Nr. 8, 082002. DOI:
https://doi.org/10.1103/PhysRevD.72.082002