The primary reference to be cited by users of this instrument is: Observations of Binary Stars with the Differential Speckle Survey Instrument. I. Instrument Description and First Results, Horch et al, 2009, AJ, 137, 5057.

Additional references include:

• Speckle Camera Observations for the NASA Kepler Mission Follow-up Program, Howell et al., AJ, 142, 19 (2011).
• Observations of Binary Stars with the Differential Speckle Survey Instrument. II. Hipparcos Stars Observed in 2010 January and June, Horch et al., AJ 141, 45 (2011).
• Observations of Binary Stars with the Differential Speckle Survey Instrument. III. Measures below the Diffraction Limit of the WIYN Telescope, Horch et al., AJ, 141, 180, (2011).
• Observations of Binary Stars with the Differential Speckle Survey Instrument. IV. Observations of Kepler, CoRoT, and Hipparcos Stars from the Gemini North Telescope, Horch et al., AJ, 144, 165, (2012).
• Speckle Camera Imaging of the Planet Pluto, Howell et al., PASP, 124, 1124, (2012).
• Meng et al. (1990), Journal of the Optical Soc. of America, vol. 7, p.1243