The leap second: its history and possible future Nelson, R. A. ; McCarthy, D. D. ; Malys, S. ; Levine, J. ; Guinot, B. ; Fliegel, H. F. ; Beard, R. L. ; Bartholomew, T. R. Abstract Publication: Metrologia Pub Date: December 2001 DOI: 10.1088/0026-1394/38/6/6 Bibcode: 2001Metro..38..509N
