Over a few particularly fruitful days in 1982 he killed about 20,000 of them in one city alone.

His work was particularly fruitful in all kinds of generalizations of the field.

This particularly fruitful year followed a period of little compositional activity.

She'd never considered the art lessons her parents had insisted on to be particularly fruitful.

Following the release of the album in April 2003, the summer of that year was a particularly fruitful time.

A particularly fruitful period over France occurred from 14-17 May 1940.

For neither the economists nor the campaign staff was the meeting particularly fruitful, both sides said.

This is a particularly fruitful exercise when there is little contemporary written history.

The period from 1971 to 1977 was a particularly fruitful one in the history of the Observatory.

Girls, of course, are a particularly fruitful market.