The first pulsar was observed by J. Bell and A. Hewish [((bibcite bell))]. Another reference [see ((bibcite guy))].
[[bibliography]]
: bell : Bell, J.; Hewish, A.; Pilkington, J. D. H.; Scott, P. F.; and Collins, R. A. //Observation of a Rapidly Pulsating Radio Source.// Nature 217, 709, 1968.
: guy : Guy, R. K. //Modular Difference Sets and Error Correcting Codes.// §C10 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, pp. 118-121, 1994.
[[/bibliography]]