Pawsey, J. L (1955). "A Catalogue of Reliably Known Discrete Sources of Cosmic Radio Waves". The Astrophysical Journal. 121: 1. Bibcode:1955ApJ...121....1P. doi:10.1086/145957.
Blaauw, A.; Gum, C.S.; Pawsey, J.L.; Westerhout, G. (1960). "The new IAU system of galactic coordinates (1958 revision)". Monthly Notices of the Royal Astronomical Society. 121 (2): 123–131. Bibcode:1960MNRAS.121..123B. doi:10.1093/mnras/121.2.123.
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Pawsey, J. L (1955). "A Catalogue of Reliably Known Discrete Sources of Cosmic Radio Waves". The Astrophysical Journal. 121: 1. Bibcode:1955ApJ...121....1P. doi:10.1086/145957.
Blaauw, A.; Gum, C.S.; Pawsey, J.L.; Westerhout, G. (1960). "The new IAU system of galactic coordinates (1958 revision)". Monthly Notices of the Royal Astronomical Society. 121 (2): 123–131. Bibcode:1960MNRAS.121..123B. doi:10.1093/mnras/121.2.123.
