Althouse, W. E., Hand, S. D., & Jones, L. K. (2001). Precision alignment of the LIGO 4 km arms using the dual-frequency differential Global Positioning System. Review of Scientific Instruments, 72(7), 3086. https://doi.org/10.1063/1.1376138
Chicago Style (17th ed.) CitationAlthouse, W. E., S. D. Hand, and L. K. Jones. "Precision Alignment of the LIGO 4 Km Arms Using the Dual-frequency Differential Global Positioning System." Review of Scientific Instruments 72, no. 7 (2001): 3086. https://doi.org/10.1063/1.1376138.
MLA (9th ed.) CitationAlthouse, W. E., et al. "Precision Alignment of the LIGO 4 Km Arms Using the Dual-frequency Differential Global Positioning System." Review of Scientific Instruments, vol. 72, no. 7, 2001, p. 3086, https://doi.org/10.1063/1.1376138.