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In 1968 (10 November), Lovelace discovered period \(P\approx 33\) ms of the Crab Pulsar. As a graduate student working at Arecibo Observatory, Lovelace developed a version of the Fast Fourier transform program  which was adapted to run on the Arecibo Observatory's CDC 3200 computer . This program helped to separate the periodic pulsar signal from the noise, and one night he discovered the period of the Crab pulsar, which is approximately 33 ms (33.09 ms).
- “Pulsar NP 0532 Near Crab Nebula” R. V. E. Lovelace, J. M. Sutton, and H. D. Craft 1968, November, IAU Circ., No. 2113, #1 (1968)
- "Crab nebula pulsar NP 0532" 1969, J. M. Comella, H. D. Craft, R. V. E. Lovelace, J. M. Sutton, G. L. Tyler, Nature 221 (5179), 453-454.
- "Out of the Zenith. Jodrell Bank 1957-1970" Sir. Bernard Lovell, 1973, London: Oxford University Press, pp 1-255 (see page159).
- "Digital Search Methods for Pulsars" 1969, R. V. E. Lovelace, J. M. Sutton, E. E. Salpeter, Nature 222 (5190), 231-233.
- "On the Discovery of the Period of the Crab Nebula Pulsar" R.V.E. Lovelace & G. Leonard Tyler, 2012, The Observatory, V. 132, p. 186-188
- "Astrophysical Formulae. Space, Time, Matter and Cosmology" Kenneth R. Lang 2014, Publisher: Springer Berlin Heidelberg