Poater, Albert How does the addition of steric hindrance to a typical N-heterocyclic carbene ligand affect catalytic activity in olefin metathesis? [electronic resource] - Dalton transactions (Cambridge, England : 2003) May 2013 - 7433-9 p. digital Publication Type: Journal Article ISSN: 1477-9234 Standard No.: 10.1039/c3dt32980a doi