> 'Where available, cite the free version' > This obviously needs to be complemented with strong reasons for people to create free versions. And that's the pr

> 'Where available, cite the free version' > This obviously needs to be complemented with strong reasons for people to create free versions. And that's the problem, your weaker version removes all incentive for authors to actually change their behaviour. If that wasn't needed then we wouldn't be discussing this now.