Attempt the end, and never stand to doubt;
Nothing's so hard but search will find it out.
— Robert Herrick (Seeke and Finde, Hesperides, 1648)


  • Badole S., Venkattu D., Jackson N., et al. (2022) High-resolution imaging with the International LOFAR Telescope: Observations of the gravitational lenses MG 0751+2716 and CLASS B1600+434. Astronomy & Astrophysics, 658, A7. doi:10.1051/0004-6361/202141227. arXiv:2108.07293.
  • Acharya S. K., Dhandha J., Chluba J. (2022) Can accreting primordial black holes explain the excess radio background? MNRAS, 517(2), 2454–2461. doi:10.1093/mnras/stac2739. arXiv:2208.03816.


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