The question had been a subject of raging debate among astronomers for more than a quarter of a century. (newsroom.ucla.edu)
The conflict began more than a quarter of a century ago and stems from a mining deal made between the two men and their respective corporations in 1988. (blaneyscourtsummaries.com)
If you're looking for responsive, professional service that's backed by more than a quarter of a century of experience, then you've come to the right place. (greenresidential.com)