21.   In the second test, conducted without any prior reference material, the consultants used a completely different computer network to gain access.

22.   It provides extensive online tax help and reference materials but not the personal hand-holding of the other services.

23.   It also would let customers learn more about a story by calling up biographies, explanations, maps and other reference material.

24.   Last week, Gates told investors that Microsoft will make money on the Internet partly by helping computer users tap the global computer network for reference materials.

25.   Keep reference material close to the screen, perhaps on a screen mount.

26.   Librarians in Alabama have noticed that traditional information resources like books and reference materials are more often than not a second thought these days.

27.   Many of these catalogs are resold in bookstores and are used as by scholars and students as reference materials.

28.   Most searchers do it by sticking a transparent reference material, which produces many dark lines in the spectrum, in the path of the starlight.

29.   No matter how the bomber ultimately narrowed his target down to one person, he was evidently using dated reference material to do it.

30.   Of course, he made a comeback - on HBO, where no language restrictions made a difference with his arcane reference material.