Constraints on Extrasolar Planet Populations from VLT NACO/SDI and MMT SDI and Direct Adaptive Optics Imaging Surveys: Giant Planets are Rare at Large SeparationsE. L. Nielsen, L. M. Close, B. A. Biller, E. Masciadri and R. LenzenEAS Publications Series, 41 (2010) 107-110DOI: https://doi.org/10.1051/eas/1041008
