Sentence examples for this is previously from inspiring English sources

This is previously discussed by Harsanyi.

This is previously studied more with different kind of fractal aggregates of very small silica nanoparticles where the fractal size, fractal dimensions, and the specific surface area are playing a role [44].

This is previously argued by authors in [6], who show that a UE-centric solution will be optimal in terms of both outage probability as well as throughput (so called good-put), although they only discuss it from a clustering perspective but propose to extend their work with a distributed graph coloring scheme for the resource assignment.

An endothelial phenotype that lacks normal markers is a puzzle and to the best of our knowledge this is previously unreported.

This is previously an important cause of antibiotic over-use.

This is previously not described with qualitative methods.

This was previously nature's way out.

This was previously the mode of transport for men, boys and families only.

This was previously a multi step process.

This was previously added to the iPad app.

This was previously only available in the Firefox beta channel.