Results from the CII-2005 and CI-2006 campaigns at the BIPM of the BIPM.L-K11 ongoing key comparison L Robertsson , M Zucco , R Felder , L-S Ma , A M Dahlan , E Prieto , M Perez , F Saraiva and R Sharma Metrologia 44 Technical Supplement (Technical Supplement 2007) 04002
Results from additional measurements carried out within the BIPM.L-K11 ongoing key comparison L Robertsson , M Zucco , R Felder , L-S Ma , Jin Quin , Xiuying Liu , Zhongyou Liu , Hajime Inaba , Jun Ishikawa and R Hamid Metrologia 44 Technical Supplement (Technical Supplement 2007) 04004
Results from the CI-2005 campaign at the BIPM of the BIPM.L-K11 ongoing key comparison L Robertsson , M Zucco , L-S Ma , J Henningsen , J Hald , C Bandis , A Duta , D Boiciuc , D Georgescu , R Fira , P Dorsic Metrologia 42 Technical Supplement (Technical Supplement 2005) 04004
Results from the CI-2004 campaign at the BIPM of the BIPM.L-K11 ongoing key comparison L Robertsson , M Zucco , L-S Ma , O Terra , F Saraiva , S Gentil , C Chekirda , Yu Zakharenko , V Fedorin and L Mostert Metrologia 42 Technical Supplement (Technical Supplement 2005) 04002
Results from the CII-2004 campaign at the BIPM of the BIPM.L-K11 ongoing key comparison L Robertsson , M Zucco , L-S Ma , Quin Jin , Xiuying Liu , Zhongyou Liu , J-P Wallerand , Steven Van den Berg , Reine Johansson and Håkan Skoogh Metrologia 42 Technical Supplement (Technical Supplement 2005) 04003
Long-term absolute frequency measurements of 633 nm iodine-stabilized laser standards at NRC and demonstration of high reproducibility of such devices in international frequency measurements A A Madej , J E Bernard , L Robertsson , L-S Ma , M Zucco and R S Windeler Metrologia 41 No 3 (June 2004) 152-160
International comparison of 127 I2 -stabilized frequency-doubled Nd:YAG lasers between the BIPM, the NRLM and the BNM-INM, October 2000 L Robertsson , S Picard , F-L Hong , Y Millerioux , P Juncar and L-S Ma Metrologia 38 No 6 (December 2001) 567-572
Microwave-Optical Double Resonance on a Single Laser-Cooled 171 Yb+ Ion V. Enders , Ph Courteille , R. Huesmann , L. S. Ma , W. Neuhauser , R. Blatt and P. E. Toschek Europhys. Lett. 24 No 5 (10 November 1993) 325-331