@techreport{c93eb4efc26a464e883752e5808c7306,
title = "The role of patent protection in (clean/green) technology transfer",
author = "B.H. Hall and C. Helmers",
year = "2010",
month = jan,
day = "1",
language = "English",
series = "UNU-MERIT Working Papers",
publisher = "UNU-MERIT, Maastricht Economic and Social Research and Training Centre on Innovation and Technology",
number = "046",
type = "WorkingPaper",
institution = "UNU-MERIT, Maastricht Economic and Social Research and Training Centre on Innovation and Technology",
}