A near-infrared interferometric survey of debris-disc stars - V. PIONIER search for variability
S. Ertel, D. Defrère, O. Absil, J.-B. Le Bouquin, J.-C. Augereau, J.-P. Berger, N. Blind, A. Bonsor, A.-M. Lagrange, J. Lebreton, L. Marion, J. Milli and J. Olofsson
