Research Policy
Research Policy > 2013 > 42 > 4 > 831-843
Research Policy > 2013 > 42 > 4 > 914-927
Research Policy > 2013 > 42 > 4 > 954-964
Research Policy > 2013 > 42 > 4 > 941-953
Research Policy > 2013 > 42 > 4 > 928-940
Research Policy > 2013 > 42 > 4 > 965-974
Research Policy > 2013 > 42 > 4 > 886-894
Research Policy > 2013 > 42 > 4 > 855-873
Research Policy > 2013 > 42 > 4 > 895-913
Research Policy > 2013 > 42 > 4 > 975-988
Research Policy > 2013 > 42 > 4 > 874-885
Research Policy > 2013 > 42 > 4 > 844-854
Research Policy > 2013 > 42 > 4 > 989-1003