Bignami, G. F.; et al. (September 1983). "An identification for 'Geminga' (2CG 195+04) 1E 0630+178 – A unique object in the error box of the high-energy gamma-ray source". Astrophysical Journal. 272: L9 –L13. Bibcode:1983ApJ...272L...9B. doi:10.1086/184107.
Bignami, G. F.; et al. (September 1983). "An identification for 'Geminga' (2CG 195+04) 1E 0630+178 – A unique object in the error box of the high-energy gamma-ray source". Astrophysical Journal. 272: L9 –L13. Bibcode:1983ApJ...272L...9B. doi:10.1086/184107.
Mattox, J. R.; et al. (December 1992). "SAS 2 observation of pulsed high-energy gamma radiation from Geminga". Astrophysical Journal. 401: L23 –L26. Bibcode:1992ApJ...401L..23M. doi:10.1086/186661.
Gil, J. A.; Khechinashvili, D. G.; Melikidze, G. I. (1998). "Why is the Geminga pulsar radio quiet at frequencies higher than about 100 MHz?". ASP Conference Series. 138: 119. Bibcode:1998ASPC..138..119G.