His later works can be divided into three separate periods.

A separate 5-year period applies to each conversion and rollover.

Although it was done over a few separate periods, it all seems to fit.

Thus most of the miracles occur in these three separate periods.

A separate period or adventure in the life of an established hero was told (for example, his childhood).

It appears as if the wooden circles were constructed over three separate periods.

He spent a number of years at Adaptec over two separate periods.

He lived in Getafe during three separate periods: 1966 - 1971, 1985-1993, and from 1994 to the present.

To obtain a Diplom at a university, students had to complete two separate periods of study.

The constituency name has had two separate periods of existence.