While the Army was studying the application, Dr. Shamir was describing the work at conferences in the United States and Europe, and written material was circulating among mathematicians.

Both his legend and literary output attributed to him increased with time, and by the 4th century "he had become one of the great authorities in alchemy" and "much medieval alchemical material circulated under his name."

However, materials do not circulate and must be studied within the reading room which is open to scholars, professionals, university faculty, and students over eighteen who are researching topics pertaining to sexuality, gender, and reproduction.

These Slavonic materials did not circulate independently but were included into collections that often rearranged, abbreviated, or expanded them.

Even before the Second Vatican Council, devotional materials in Tagalog had been circulating.

Nevertheless, dust that Mr. Mihalakelis removed from air vents as recently as April proved to be 10 percent asbestos fibers, suggesting that the cancer-causing material was still circulating through the building's ventilation system, Mr. Mihalakelis said.

The material circulates through libraries and the Internet (which is, in effect, one big library).

While some materials may circulate, most users are expected to do research at the center.

There is a legislative vacuum, in my country at least, and material can circulate freely on the Internet from one person to another.

The AGO library is a reference library; materials in the collections do not circulate.