The benchmark article provides a useful introduction to computer performance measurement for those readers interested in the topic.

Such visits can form a very useful introduction to a history course.

These can be a useful introduction to an extremely complex subject.

This show of 20 paintings is really too small to suggest his full range, but it provides a useful introduction (Glueck).

There is also a useful introduction in the symposium edited by Blanpain (1982b).

Rosenqvist is a recent and useful introduction to the subject.

It provides a useful introduction to a unique institution.

A useful introduction to the subject and its language.

Includes a complete translation of the poems and a useful introduction.

The useful introduction discusses changing attitudes to the depiction of nature.