Many of his works are now reference material for research students.

The first step is doing the research and getting the reference materials I need.

Players can use any of the reference material to find the necessary information.

The studies have continued to be used as reference material into the 21st Century.

I know the reference material has been sitting there for some time.

These are used as the main reference material for the final painting.

"Many of the kids around here need it for reference material," he said.

Professional reference material in schools is given a low priority.

She also tried to maintain information on current events and reference materials.

It is still widely read and used as reference material for the period.

Reference materials will be provided, and there is no fee.

The following reference materials were used in preparing this article.

Thus students are not likely to be handicapped for want of reference materials at any time.

Oh, sure, sometimes she works while lying in bed, surrounded by reference materials.

You can also obtain free computer programs and gain access to almost any sort of reference material.

Reference materials should be used where possible as blind controls.

I think that many with an interest in the field will value this database as a source of reference material.

"I'm helping Mom on some reference material she needs," he said.

I only recently started using a nook for some of my books and reference material.

Shelves of books and other reference materials crowded one wall.

"Our reference materials are over here," the girl said, pointing.

These items are designed for the teacher to use in the classroom or as background reference material.

They also provide training programs, help systems and reference materials to address the unique challenges of the industry.

Reference materials provide resources for the educational, recreational and professional needs of the community.