Open source began to gain support last year from blue-chip technology companies.

Such reserve is the most likely to be tapped in the future when existing sources begin to deplete.

Slowly but surely, the source of the gravity began to reveal itself.

It was at this point that Russian sources began to associate him with many similar operations in the region.

Some independent sources, such as petconnection.com, begin collecting several hundred reports of animal deaths per day.

Some source of power began to pulse in Roger's body.

The source of my people and of my order since time began.

One reason is that the traditional source of pilots, the armed services, has begun to dry up.

Little documentary evidence was available until later, when Christian sources began to contribute.

Since about the late 15th century, Greek sources also begin to record the event.